diff --git a/status/libstatus/accounts/constants.nim b/status/libstatus/accounts/constants.nim
index 1672ef1..3d13502 100644
--- a/status/libstatus/accounts/constants.nim
+++ b/status/libstatus/accounts/constants.nim
@@ -174,7 +174,74 @@ var NODE_CONFIG* = %* {
   },
   "WalletConfig": {
     "Enabled": true
-  }
+  },
+  "Networks": [
+    {
+      "chain_id": 1,
+      "chain_name": "Ethereum Mainnet",
+      "rpc_url": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
+      "block_explorer_url": "https://etherscan.io/",
+      "icon_url": "",
+      "native_currency_name": "Ether",
+      "native_currency_symbol": "ETH",
+      "native_currency_decimals": 18,
+      "isTest": false,
+      "layer": 1,
+      "enabled": true,
+    },
+    {
+      "chain_id": 3,
+      "chain_name": "Ropsten",
+      "rpc_url": "https://ropsten.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
+      "block_explorer_url": "https://ropsten.etherscan.io/",
+      "icon_url": "",
+      "native_currency_name": "Ether",
+      "native_currency_symbol": "ETH",
+      "native_currency_decimals": 18,
+      "isTest": true,
+      "layer": 1,
+      "enabled": false,
+    },
+    {
+      "chain_id": 4,
+      "chain_name": "Rinkeby",
+      "rpc_url": "https://rinkeby.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
+      "block_explorer_url": "https://rinkeby.etherscan.io/",
+      "icon_url": "",
+      "native_currency_name": "Ether",
+      "native_currency_symbol": "ETH",
+      "native_currency_decimals": 18,
+      "isTest": true,
+      "layer": 1,
+      "enabled": false,
+    },
+    {
+      "chain_id": 5,
+      "chain_name": "Goerli",
+      "rpc_url": "http://goerli.blockscout.com/",
+      "block_explorer_url": "https://goerli.etherscan.io/",
+      "icon_url": "",
+      "native_currency_name": "Ether",
+      "native_currency_symbol": "ETH",
+      "native_currency_decimals": 18,
+      "isTest": true,
+      "layer": 1,
+      "enabled": false,
+    },
+    {
+      "chain_id": 10,
+      "chain_name": "Optimistic Ethereum",
+      "rpc_url": "https://mainnet.infura.io/v3/" & INFURA_TOKEN_RESOLVED,
+      "block_explorer_url": "https://optimistic.etherscan.io",
+      "icon_url": "",
+      "native_currency_name": "Ether",
+      "native_currency_symbol": "ETH",
+      "native_currency_decimals": 18,
+      "isTest":  false,
+      "layer":   2,
+      "enabled": true,
+    }
+  ]
 }
 
 const DEFAULT_NETWORK_NAME* = "mainnet_rpc"
diff --git a/status/libstatus/eth/contracts.nim b/status/libstatus/eth/contracts.nim
index f8eabfb..0e91cfb 100644
--- a/status/libstatus/eth/contracts.nim
+++ b/status/libstatus/eth/contracts.nim
@@ -5,7 +5,7 @@ import
   web3/ethtypes, stew/byteutils, nimcrypto, json_serialization, chronicles
 
 import
-  ../../types/[network], ../settings, ../coder, transactions, methods, ../../utils
+  ../../types/[network_type], ../settings, ../coder, transactions, methods, ../../utils
 
 export
   GetPackData, PackData, BuyToken, ApproveAndCall, Transfer, BalanceOf, Register, SetPubkey,
@@ -53,7 +53,7 @@ const ERC721_ENUMERABLE_METHODS = @[
 type
   Contract* = ref object of RootObj
     name*: string
-    network*: Network
+    network*: NetworkType
     address*: Address
     methods* {.dontSerialize.}: Table[string, Method]
  
@@ -62,18 +62,19 @@ type
     decimals*: int
     hasIcon* {.dontSerialize.}: bool
     color*: string
+    chainId*: int
 
   Erc721Contract* = ref object of Contract
     symbol*: string
     hasIcon*: bool
 
-proc newErc20Contract*(name: string, network: Network, address: Address, symbol: string, decimals: int, hasIcon: bool): Erc20Contract =
+proc newErc20Contract*(name: string, network: NetworkType, address: Address, symbol: string, decimals: int, hasIcon: bool): Erc20Contract =
   Erc20Contract(name: name, network: network, address: address, methods: ERC20_METHODS.toTable, symbol: symbol, decimals: decimals, hasIcon: hasIcon)
 
-proc newErc20Contract*(network: Network, address: Address): Erc20Contract =
+proc newErc20Contract*(network: NetworkType, address: Address): Erc20Contract =
   Erc20Contract(name: "", network: network, address: address, methods: ERC20_METHODS.toTable, symbol: "", decimals: 0, hasIcon: false)
 
-proc newErc721Contract(name: string, network: Network, address: Address, symbol: string, hasIcon: bool, addlMethods: seq[tuple[name: string, meth: Method]] = @[]): Erc721Contract =
+proc newErc721Contract(name: string, network: NetworkType, address: Address, symbol: string, hasIcon: bool, addlMethods: seq[tuple[name: string, meth: Method]] = @[]): Erc721Contract =
   Erc721Contract(name: name, network: network, address: address, symbol: symbol, hasIcon: hasIcon, methods: ERC721_ENUMERABLE_METHODS.concat(addlMethods).toTable)
 
 
@@ -86,122 +87,122 @@ proc allContracts(): seq[Contract] =
   else:
     contracts = @[
       # Mainnet contracts
-      newErc20Contract("Status Network Token", Network.Mainnet, parseAddress("0x744d70fdbe2ba4cf95131626614a1763df805b9e"), "SNT", 18, true),
-      newErc20Contract("Dai Stablecoin", Network.Mainnet, parseAddress("0x6b175474e89094c44da98b954eedeac495271d0f"), "DAI", 18, true),
-      newErc20Contract("Sai Stablecoin v1.0", Network.Mainnet, parseAddress("0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359"), "SAI", 18, true),
-      newErc20Contract("MKR", Network.Mainnet, parseAddress("0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2"), "MKR", 18, true),
-      newErc20Contract("EOS", Network.Mainnet, parseAddress("0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0"), "EOS", 18, true),
-      newErc20Contract("OMGToken", Network.Mainnet, parseAddress("0xd26114cd6ee289accf82350c8d8487fedb8a0c07"), "OMG", 18, true),
-      newErc20Contract("Populous Platform", Network.Mainnet, parseAddress("0xd4fa1460f537bb9085d22c7bccb5dd450ef28e3a"), "PPT", 8, true),
-      newErc20Contract("Reputation", Network.Mainnet, parseAddress("0x1985365e9f78359a9b6ad760e32412f4a445e862"), "REP", 18, true),
-      newErc20Contract("PowerLedger", Network.Mainnet, parseAddress("0x595832f8fc6bf59c85c527fec3740a1b7a361269"), "POWR", 6, true),
-      newErc20Contract("TenX Pay Token", Network.Mainnet, parseAddress("0xb97048628db6b661d4c2aa833e95dbe1a905b280"), "PAY", 18, true),
-      newErc20Contract("Veros", Network.Mainnet, parseAddress("0x92e78dae1315067a8819efd6dca432de9dcde2e9"), "VRS", 6, false),
-      newErc20Contract("Golem Network Token", Network.Mainnet, parseAddress("0xa74476443119a942de498590fe1f2454d7d4ac0d"), "GNT", 18, true),
-      newErc20Contract("Salt", Network.Mainnet, parseAddress("0x4156d3342d5c385a87d264f90653733592000581"), "SALT", 8, true),
-      newErc20Contract("BNB", Network.Mainnet, parseAddress("0xb8c77482e45f1f44de1745f52c74426c631bdd52"), "BNB", 18, true),
-      newErc20Contract("Basic Attention Token", Network.Mainnet, parseAddress("0x0d8775f648430679a709e98d2b0cb6250d2887ef"), "BAT", 18, true),
-      newErc20Contract("Kyber Network Crystal", Network.Mainnet, parseAddress("0xdd974d5c2e2928dea5f71b9825b8b646686bd200"), "KNC", 18, true),
-      newErc20Contract("BTU Protocol", Network.Mainnet, parseAddress("0xb683D83a532e2Cb7DFa5275eED3698436371cc9f"), "BTU", 18, true),
-      newErc20Contract("Digix DAO", Network.Mainnet, parseAddress("0xe0b7927c4af23765cb51314a0e0521a9645f0e2a"), "DGD", 9, true),
-      newErc20Contract("Aeternity", Network.Mainnet, parseAddress("0x5ca9a71b1d01849c0a95490cc00559717fcf0d1d"), "AE", 18, true),
-      newErc20Contract("Tronix", Network.Mainnet, parseAddress("0xf230b790e05390fc8295f4d3f60332c93bed42e2"), "TRX", 6, true),
-      newErc20Contract("Ethos", Network.Mainnet, parseAddress("0x5af2be193a6abca9c8817001f45744777db30756"), "ETHOS", 8, true),
-      newErc20Contract("Raiden Token", Network.Mainnet, parseAddress("0x255aa6df07540cb5d3d297f0d0d4d84cb52bc8e6"), "RDN", 18, true),
-      newErc20Contract("SingularDTV", Network.Mainnet, parseAddress("0xaec2e87e0a235266d9c5adc9deb4b2e29b54d009"), "SNGLS", 0, true),
-      newErc20Contract("Gnosis Token", Network.Mainnet, parseAddress("0x6810e776880c02933d47db1b9fc05908e5386b96"), "GNO", 18, true),
-      newErc20Contract("StorjToken", Network.Mainnet, parseAddress("0xb64ef51c888972c908cfacf59b47c1afbc0ab8ac"), "STORJ", 8, true),
-      newErc20Contract("AdEx", Network.Mainnet, parseAddress("0x4470bb87d77b963a013db939be332f927f2b992e"), "ADX", 4, false),
-      newErc20Contract("FunFair", Network.Mainnet, parseAddress("0x419d0d8bdd9af5e606ae2232ed285aff190e711b"), "FUN", 8, true),
-      newErc20Contract("Civic", Network.Mainnet, parseAddress("0x41e5560054824ea6b0732e656e3ad64e20e94e45"), "CVC", 8, true),
-      newErc20Contract("ICONOMI", Network.Mainnet, parseAddress("0x888666ca69e0f178ded6d75b5726cee99a87d698"), "ICN", 18, true),
-      newErc20Contract("Walton Token", Network.Mainnet, parseAddress("0xb7cb1c96db6b22b0d3d9536e0108d062bd488f74"), "WTC", 18, true),
-      newErc20Contract("Bytom", Network.Mainnet, parseAddress("0xcb97e65f07da24d46bcdd078ebebd7c6e6e3d750"), "BTM", 8, true),
-      newErc20Contract("0x Protocol Token", Network.Mainnet, parseAddress("0xe41d2489571d322189246dafa5ebde1f4699f498"), "ZRX", 18, true),
-      newErc20Contract("Bancor Network Token", Network.Mainnet, parseAddress("0x1f573d6fb3f13d689ff844b4ce37794d79a7ff1c"), "BNT", 18, true),
-      newErc20Contract("Metal", Network.Mainnet, parseAddress("0xf433089366899d83a9f26a773d59ec7ecf30355e"), "MTL", 8, false),
-      newErc20Contract("PayPie", Network.Mainnet, parseAddress("0xc42209accc14029c1012fb5680d95fbd6036e2a0"), "PPP", 18, true),
-      newErc20Contract("ChainLink Token", Network.Mainnet, parseAddress("0x514910771af9ca656af840dff83e8264ecf986ca"), "LINK", 18, true),
-      newErc20Contract("Kin", Network.Mainnet, parseAddress("0x818fc6c2ec5986bc6e2cbf00939d90556ab12ce5"), "KIN", 18, true),
-      newErc20Contract("Aragon Network Token", Network.Mainnet, parseAddress("0x960b236a07cf122663c4303350609a66a7b288c0"), "ANT", 18, true),
-      newErc20Contract("MobileGo Token", Network.Mainnet, parseAddress("0x40395044ac3c0c57051906da938b54bd6557f212"), "MGO", 8, true),
-      newErc20Contract("Monaco", Network.Mainnet, parseAddress("0xb63b606ac810a52cca15e44bb630fd42d8d1d83d"), "MCO", 8, true),
-      newErc20Contract("loopring", Network.Mainnet, parseAddress("0xef68e7c694f40c8202821edf525de3782458639f"), "LRC", 18, true),
-      newErc20Contract("Zeus Shield Coin", Network.Mainnet, parseAddress("0x7a41e0517a5eca4fdbc7fbeba4d4c47b9ff6dc63"), "ZSC", 18, true),
-      newErc20Contract("Streamr DATAcoin", Network.Mainnet, parseAddress("0x0cf0ee63788a0849fe5297f3407f701e122cc023"), "DATA", 18, true),
-      newErc20Contract("Ripio Credit Network Token", Network.Mainnet, parseAddress("0xf970b8e36e23f7fc3fd752eea86f8be8d83375a6"), "RCN", 18, true),
-      newErc20Contract("WINGS", Network.Mainnet, parseAddress("0x667088b212ce3d06a1b553a7221e1fd19000d9af"), "WINGS", 18, true),
-      newErc20Contract("Edgeless", Network.Mainnet, parseAddress("0x08711d3b02c8758f2fb3ab4e80228418a7f8e39c"), "EDG", 0, true),
-      newErc20Contract("Melon Token", Network.Mainnet, parseAddress("0xbeb9ef514a379b997e0798fdcc901ee474b6d9a1"), "MLN", 18, true),
-      newErc20Contract("Moeda Loyalty Points", Network.Mainnet, parseAddress("0x51db5ad35c671a87207d88fc11d593ac0c8415bd"), "MDA", 18, true),
-      newErc20Contract("PILLAR", Network.Mainnet, parseAddress("0xe3818504c1b32bf1557b16c238b2e01fd3149c17"), "PLR", 18, true),
-      newErc20Contract("QRL", Network.Mainnet, parseAddress("0x697beac28b09e122c4332d163985e8a73121b97f"), "QRL", 8, true),
-      newErc20Contract("Modum Token", Network.Mainnet, parseAddress("0x957c30ab0426e0c93cd8241e2c60392d08c6ac8e"), "MOD", 0, true),
-      newErc20Contract("Token-as-a-Service", Network.Mainnet, parseAddress("0xe7775a6e9bcf904eb39da2b68c5efb4f9360e08c"), "TAAS", 6, true),
-      newErc20Contract("GRID Token", Network.Mainnet, parseAddress("0x12b19d3e2ccc14da04fae33e63652ce469b3f2fd"), "GRID", 12, true),
-      newErc20Contract("SANtiment network token", Network.Mainnet, parseAddress("0x7c5a0ce9267ed19b22f8cae653f198e3e8daf098"), "SAN", 18, true),
-      newErc20Contract("SONM Token", Network.Mainnet, parseAddress("0x983f6d60db79ea8ca4eb9968c6aff8cfa04b3c63"), "SNM", 18, true),
-      newErc20Contract("Request Token", Network.Mainnet, parseAddress("0x8f8221afbb33998d8584a2b05749ba73c37a938a"), "REQ", 18, true),
-      newErc20Contract("Substratum", Network.Mainnet, parseAddress("0x12480e24eb5bec1a9d4369cab6a80cad3c0a377a"), "SUB", 2, true),
-      newErc20Contract("Decentraland MANA", Network.Mainnet, parseAddress("0x0f5d2fb29fb7d3cfee444a200298f468908cc942"), "MANA", 18, true),
-      newErc20Contract("AirSwap Token", Network.Mainnet, parseAddress("0x27054b13b1b798b345b591a4d22e6562d47ea75a"), "AST", 4, true),
-      newErc20Contract("R token", Network.Mainnet, parseAddress("0x48f775efbe4f5ece6e0df2f7b5932df56823b990"), "R", 0, true),
-      newErc20Contract("FirstBlood Token", Network.Mainnet, parseAddress("0xaf30d2a7e90d7dc361c8c4585e9bb7d2f6f15bc7"), "1ST", 18, true),
-      newErc20Contract("Cofoundit", Network.Mainnet, parseAddress("0x12fef5e57bf45873cd9b62e9dbd7bfb99e32d73e"), "CFI", 18, true),
-      newErc20Contract("Enigma", Network.Mainnet, parseAddress("0xf0ee6b27b759c9893ce4f094b49ad28fd15a23e4"), "ENG", 8, true),
-      newErc20Contract("Amber Token", Network.Mainnet, parseAddress("0x4dc3643dbc642b72c158e7f3d2ff232df61cb6ce"), "AMB", 18, true),
-      newErc20Contract("XPlay Token", Network.Mainnet, parseAddress("0x90528aeb3a2b736b780fd1b6c478bb7e1d643170"), "XPA", 18, true),
-      newErc20Contract("Open Trading Network", Network.Mainnet, parseAddress("0x881ef48211982d01e2cb7092c915e647cd40d85c"), "OTN", 18, true),
-      newErc20Contract("Trustcoin", Network.Mainnet, parseAddress("0xcb94be6f13a1182e4a4b6140cb7bf2025d28e41b"), "TRST", 6, true),
-      newErc20Contract("Monolith TKN", Network.Mainnet, parseAddress("0xaaaf91d9b90df800df4f55c205fd6989c977e73a"), "TKN", 8, true),
-      newErc20Contract("RHOC", Network.Mainnet, parseAddress("0x168296bb09e24a88805cb9c33356536b980d3fc5"), "RHOC", 8, true),
-      newErc20Contract("Target Coin", Network.Mainnet, parseAddress("0xac3da587eac229c9896d919abc235ca4fd7f72c1"), "TGT", 1, false),
-      newErc20Contract("Everex", Network.Mainnet, parseAddress("0xf3db5fa2c66b7af3eb0c0b782510816cbe4813b8"), "EVX", 4, true),
-      newErc20Contract("ICOS", Network.Mainnet, parseAddress("0x014b50466590340d41307cc54dcee990c8d58aa8"), "ICOS", 6, true),
-      newErc20Contract("district0x Network Token", Network.Mainnet, parseAddress("0x0abdace70d3790235af448c88547603b945604ea"), "DNT", 18, true),
-      newErc20Contract("Dentacoin", Network.Mainnet, parseAddress("0x08d32b0da63e2c3bcf8019c9c5d849d7a9d791e6"), "٨", 0, false),
-      newErc20Contract("Eidoo Token", Network.Mainnet, parseAddress("0xced4e93198734ddaff8492d525bd258d49eb388e"), "EDO", 18, true),
-      newErc20Contract("BitDice", Network.Mainnet, parseAddress("0x29d75277ac7f0335b2165d0895e8725cbf658d73"), "CSNO", 8, false),
-      newErc20Contract("Cobinhood Token", Network.Mainnet, parseAddress("0xb2f7eb1f2c37645be61d73953035360e768d81e6"), "COB", 18, true),
-      newErc20Contract("Enjin Coin", Network.Mainnet, parseAddress("0xf629cbd94d3791c9250152bd8dfbdf380e2a3b9c"), "ENJ", 18, false),
-      newErc20Contract("AVENTUS", Network.Mainnet, parseAddress("0x0d88ed6e74bbfd96b831231638b66c05571e824f"), "AVT", 18, false),
-      newErc20Contract("Chronobank TIME", Network.Mainnet, parseAddress("0x6531f133e6deebe7f2dce5a0441aa7ef330b4e53"), "TIME", 8, false),
-      newErc20Contract("Cindicator Token", Network.Mainnet, parseAddress("0xd4c435f5b09f855c3317c8524cb1f586e42795fa"), "CND", 18, true),
-      newErc20Contract("Stox", Network.Mainnet, parseAddress("0x006bea43baa3f7a6f765f14f10a1a1b08334ef45"), "STX", 18, true),
-      newErc20Contract("Xaurum", Network.Mainnet, parseAddress("0x4df812f6064def1e5e029f1ca858777cc98d2d81"), "XAUR", 8, true),
-      newErc20Contract("Vibe", Network.Mainnet, parseAddress("0x2c974b2d0ba1716e644c1fc59982a89ddd2ff724"), "VIB", 18, true),
-      newErc20Contract("PRG", Network.Mainnet, parseAddress("0x7728dfef5abd468669eb7f9b48a7f70a501ed29d"), "PRG", 6, false),
-      newErc20Contract("Delphy Token", Network.Mainnet, parseAddress("0x6c2adc2073994fb2ccc5032cc2906fa221e9b391"), "DPY", 18, true),
-      newErc20Contract("CoinDash Token", Network.Mainnet, parseAddress("0x2fe6ab85ebbf7776fee46d191ee4cea322cecf51"), "CDT", 18, true),
-      newErc20Contract("Tierion Network Token", Network.Mainnet, parseAddress("0x08f5a9235b08173b7569f83645d2c7fb55e8ccd8"), "TNT", 8, true),
-      newErc20Contract("DomRaiderToken", Network.Mainnet, parseAddress("0x9af4f26941677c706cfecf6d3379ff01bb85d5ab"), "DRT", 8, true),
-      newErc20Contract("SPANK", Network.Mainnet, parseAddress("0x42d6622dece394b54999fbd73d108123806f6a18"), "SPANK", 18, true),
-      newErc20Contract("Berlin Coin", Network.Mainnet, parseAddress("0x80046305aaab08f6033b56a360c184391165dc2d"), "BRLN", 18, true),
-      newErc20Contract("USD//C", Network.Mainnet, parseAddress("0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"), "USDC", 6, true),
-      newErc20Contract("Livepeer Token", Network.Mainnet, parseAddress("0x58b6a8a3302369daec383334672404ee733ab239"), "LPT", 18, true),
-      newErc20Contract("Simple Token", Network.Mainnet, parseAddress("0x2c4e8f2d746113d0696ce89b35f0d8bf88e0aeca"), "ST", 18, true),
-      newErc20Contract("Wrapped BTC", Network.Mainnet, parseAddress("0x2260fac5e5542a773aa44fbcfedf7c193bc2c599"), "WBTC", 8, true),
-      newErc20Contract("Bloom Token", Network.Mainnet, parseAddress("0x107c4504cd79c5d2696ea0030a8dd4e92601b82e"), "BLT", 18, true),
-      newErc20Contract("Unisocks", Network.Mainnet, parseAddress("0x23b608675a2b2fb1890d3abbd85c5775c51691d5"), "SOCKS", 18, true),
-      newErc20Contract("Hermez Network Token", Network.Mainnet, parseAddress("0xEEF9f339514298C6A857EfCfC1A762aF84438dEE"), "HEZ", 18, true),
-      Contract(name: "stickers", network: Network.Mainnet, address: parseAddress("0x0577215622f43a39f4bc9640806dfea9b10d2a36"),
+      newErc20Contract("Status Network Token", NetworkType.Mainnet, parseAddress("0x744d70fdbe2ba4cf95131626614a1763df805b9e"), "SNT", 18, true),
+      newErc20Contract("Dai Stablecoin", NetworkType.Mainnet, parseAddress("0x6b175474e89094c44da98b954eedeac495271d0f"), "DAI", 18, true),
+      newErc20Contract("Sai Stablecoin v1.0", NetworkType.Mainnet, parseAddress("0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359"), "SAI", 18, true),
+      newErc20Contract("MKR", NetworkType.Mainnet, parseAddress("0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2"), "MKR", 18, true),
+      newErc20Contract("EOS", NetworkType.Mainnet, parseAddress("0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0"), "EOS", 18, true),
+      newErc20Contract("OMGToken", NetworkType.Mainnet, parseAddress("0xd26114cd6ee289accf82350c8d8487fedb8a0c07"), "OMG", 18, true),
+      newErc20Contract("Populous Platform", NetworkType.Mainnet, parseAddress("0xd4fa1460f537bb9085d22c7bccb5dd450ef28e3a"), "PPT", 8, true),
+      newErc20Contract("Reputation", NetworkType.Mainnet, parseAddress("0x1985365e9f78359a9b6ad760e32412f4a445e862"), "REP", 18, true),
+      newErc20Contract("PowerLedger", NetworkType.Mainnet, parseAddress("0x595832f8fc6bf59c85c527fec3740a1b7a361269"), "POWR", 6, true),
+      newErc20Contract("TenX Pay Token", NetworkType.Mainnet, parseAddress("0xb97048628db6b661d4c2aa833e95dbe1a905b280"), "PAY", 18, true),
+      newErc20Contract("Veros", NetworkType.Mainnet, parseAddress("0x92e78dae1315067a8819efd6dca432de9dcde2e9"), "VRS", 6, false),
+      newErc20Contract("Golem Network Token", NetworkType.Mainnet, parseAddress("0xa74476443119a942de498590fe1f2454d7d4ac0d"), "GNT", 18, true),
+      newErc20Contract("Salt", NetworkType.Mainnet, parseAddress("0x4156d3342d5c385a87d264f90653733592000581"), "SALT", 8, true),
+      newErc20Contract("BNB", NetworkType.Mainnet, parseAddress("0xb8c77482e45f1f44de1745f52c74426c631bdd52"), "BNB", 18, true),
+      newErc20Contract("Basic Attention Token", NetworkType.Mainnet, parseAddress("0x0d8775f648430679a709e98d2b0cb6250d2887ef"), "BAT", 18, true),
+      newErc20Contract("Kyber Network Crystal", NetworkType.Mainnet, parseAddress("0xdd974d5c2e2928dea5f71b9825b8b646686bd200"), "KNC", 18, true),
+      newErc20Contract("BTU Protocol", NetworkType.Mainnet, parseAddress("0xb683D83a532e2Cb7DFa5275eED3698436371cc9f"), "BTU", 18, true),
+      newErc20Contract("Digix DAO", NetworkType.Mainnet, parseAddress("0xe0b7927c4af23765cb51314a0e0521a9645f0e2a"), "DGD", 9, true),
+      newErc20Contract("Aeternity", NetworkType.Mainnet, parseAddress("0x5ca9a71b1d01849c0a95490cc00559717fcf0d1d"), "AE", 18, true),
+      newErc20Contract("Tronix", NetworkType.Mainnet, parseAddress("0xf230b790e05390fc8295f4d3f60332c93bed42e2"), "TRX", 6, true),
+      newErc20Contract("Ethos", NetworkType.Mainnet, parseAddress("0x5af2be193a6abca9c8817001f45744777db30756"), "ETHOS", 8, true),
+      newErc20Contract("Raiden Token", NetworkType.Mainnet, parseAddress("0x255aa6df07540cb5d3d297f0d0d4d84cb52bc8e6"), "RDN", 18, true),
+      newErc20Contract("SingularDTV", NetworkType.Mainnet, parseAddress("0xaec2e87e0a235266d9c5adc9deb4b2e29b54d009"), "SNGLS", 0, true),
+      newErc20Contract("Gnosis Token", NetworkType.Mainnet, parseAddress("0x6810e776880c02933d47db1b9fc05908e5386b96"), "GNO", 18, true),
+      newErc20Contract("StorjToken", NetworkType.Mainnet, parseAddress("0xb64ef51c888972c908cfacf59b47c1afbc0ab8ac"), "STORJ", 8, true),
+      newErc20Contract("AdEx", NetworkType.Mainnet, parseAddress("0x4470bb87d77b963a013db939be332f927f2b992e"), "ADX", 4, false),
+      newErc20Contract("FunFair", NetworkType.Mainnet, parseAddress("0x419d0d8bdd9af5e606ae2232ed285aff190e711b"), "FUN", 8, true),
+      newErc20Contract("Civic", NetworkType.Mainnet, parseAddress("0x41e5560054824ea6b0732e656e3ad64e20e94e45"), "CVC", 8, true),
+      newErc20Contract("ICONOMI", NetworkType.Mainnet, parseAddress("0x888666ca69e0f178ded6d75b5726cee99a87d698"), "ICN", 18, true),
+      newErc20Contract("Walton Token", NetworkType.Mainnet, parseAddress("0xb7cb1c96db6b22b0d3d9536e0108d062bd488f74"), "WTC", 18, true),
+      newErc20Contract("Bytom", NetworkType.Mainnet, parseAddress("0xcb97e65f07da24d46bcdd078ebebd7c6e6e3d750"), "BTM", 8, true),
+      newErc20Contract("0x Protocol Token", NetworkType.Mainnet, parseAddress("0xe41d2489571d322189246dafa5ebde1f4699f498"), "ZRX", 18, true),
+      newErc20Contract("Bancor Network Token", NetworkType.Mainnet, parseAddress("0x1f573d6fb3f13d689ff844b4ce37794d79a7ff1c"), "BNT", 18, true),
+      newErc20Contract("Metal", NetworkType.Mainnet, parseAddress("0xf433089366899d83a9f26a773d59ec7ecf30355e"), "MTL", 8, false),
+      newErc20Contract("PayPie", NetworkType.Mainnet, parseAddress("0xc42209accc14029c1012fb5680d95fbd6036e2a0"), "PPP", 18, true),
+      newErc20Contract("ChainLink Token", NetworkType.Mainnet, parseAddress("0x514910771af9ca656af840dff83e8264ecf986ca"), "LINK", 18, true),
+      newErc20Contract("Kin", NetworkType.Mainnet, parseAddress("0x818fc6c2ec5986bc6e2cbf00939d90556ab12ce5"), "KIN", 18, true),
+      newErc20Contract("Aragon Network Token", NetworkType.Mainnet, parseAddress("0x960b236a07cf122663c4303350609a66a7b288c0"), "ANT", 18, true),
+      newErc20Contract("MobileGo Token", NetworkType.Mainnet, parseAddress("0x40395044ac3c0c57051906da938b54bd6557f212"), "MGO", 8, true),
+      newErc20Contract("Monaco", NetworkType.Mainnet, parseAddress("0xb63b606ac810a52cca15e44bb630fd42d8d1d83d"), "MCO", 8, true),
+      newErc20Contract("loopring", NetworkType.Mainnet, parseAddress("0xef68e7c694f40c8202821edf525de3782458639f"), "LRC", 18, true),
+      newErc20Contract("Zeus Shield Coin", NetworkType.Mainnet, parseAddress("0x7a41e0517a5eca4fdbc7fbeba4d4c47b9ff6dc63"), "ZSC", 18, true),
+      newErc20Contract("Streamr DATAcoin", NetworkType.Mainnet, parseAddress("0x0cf0ee63788a0849fe5297f3407f701e122cc023"), "DATA", 18, true),
+      newErc20Contract("Ripio Credit Network Token", NetworkType.Mainnet, parseAddress("0xf970b8e36e23f7fc3fd752eea86f8be8d83375a6"), "RCN", 18, true),
+      newErc20Contract("WINGS", NetworkType.Mainnet, parseAddress("0x667088b212ce3d06a1b553a7221e1fd19000d9af"), "WINGS", 18, true),
+      newErc20Contract("Edgeless", NetworkType.Mainnet, parseAddress("0x08711d3b02c8758f2fb3ab4e80228418a7f8e39c"), "EDG", 0, true),
+      newErc20Contract("Melon Token", NetworkType.Mainnet, parseAddress("0xbeb9ef514a379b997e0798fdcc901ee474b6d9a1"), "MLN", 18, true),
+      newErc20Contract("Moeda Loyalty Points", NetworkType.Mainnet, parseAddress("0x51db5ad35c671a87207d88fc11d593ac0c8415bd"), "MDA", 18, true),
+      newErc20Contract("PILLAR", NetworkType.Mainnet, parseAddress("0xe3818504c1b32bf1557b16c238b2e01fd3149c17"), "PLR", 18, true),
+      newErc20Contract("QRL", NetworkType.Mainnet, parseAddress("0x697beac28b09e122c4332d163985e8a73121b97f"), "QRL", 8, true),
+      newErc20Contract("Modum Token", NetworkType.Mainnet, parseAddress("0x957c30ab0426e0c93cd8241e2c60392d08c6ac8e"), "MOD", 0, true),
+      newErc20Contract("Token-as-a-Service", NetworkType.Mainnet, parseAddress("0xe7775a6e9bcf904eb39da2b68c5efb4f9360e08c"), "TAAS", 6, true),
+      newErc20Contract("GRID Token", NetworkType.Mainnet, parseAddress("0x12b19d3e2ccc14da04fae33e63652ce469b3f2fd"), "GRID", 12, true),
+      newErc20Contract("SANtiment network token", NetworkType.Mainnet, parseAddress("0x7c5a0ce9267ed19b22f8cae653f198e3e8daf098"), "SAN", 18, true),
+      newErc20Contract("SONM Token", NetworkType.Mainnet, parseAddress("0x983f6d60db79ea8ca4eb9968c6aff8cfa04b3c63"), "SNM", 18, true),
+      newErc20Contract("Request Token", NetworkType.Mainnet, parseAddress("0x8f8221afbb33998d8584a2b05749ba73c37a938a"), "REQ", 18, true),
+      newErc20Contract("Substratum", NetworkType.Mainnet, parseAddress("0x12480e24eb5bec1a9d4369cab6a80cad3c0a377a"), "SUB", 2, true),
+      newErc20Contract("Decentraland MANA", NetworkType.Mainnet, parseAddress("0x0f5d2fb29fb7d3cfee444a200298f468908cc942"), "MANA", 18, true),
+      newErc20Contract("AirSwap Token", NetworkType.Mainnet, parseAddress("0x27054b13b1b798b345b591a4d22e6562d47ea75a"), "AST", 4, true),
+      newErc20Contract("R token", NetworkType.Mainnet, parseAddress("0x48f775efbe4f5ece6e0df2f7b5932df56823b990"), "R", 0, true),
+      newErc20Contract("FirstBlood Token", NetworkType.Mainnet, parseAddress("0xaf30d2a7e90d7dc361c8c4585e9bb7d2f6f15bc7"), "1ST", 18, true),
+      newErc20Contract("Cofoundit", NetworkType.Mainnet, parseAddress("0x12fef5e57bf45873cd9b62e9dbd7bfb99e32d73e"), "CFI", 18, true),
+      newErc20Contract("Enigma", NetworkType.Mainnet, parseAddress("0xf0ee6b27b759c9893ce4f094b49ad28fd15a23e4"), "ENG", 8, true),
+      newErc20Contract("Amber Token", NetworkType.Mainnet, parseAddress("0x4dc3643dbc642b72c158e7f3d2ff232df61cb6ce"), "AMB", 18, true),
+      newErc20Contract("XPlay Token", NetworkType.Mainnet, parseAddress("0x90528aeb3a2b736b780fd1b6c478bb7e1d643170"), "XPA", 18, true),
+      newErc20Contract("Open Trading Network", NetworkType.Mainnet, parseAddress("0x881ef48211982d01e2cb7092c915e647cd40d85c"), "OTN", 18, true),
+      newErc20Contract("Trustcoin", NetworkType.Mainnet, parseAddress("0xcb94be6f13a1182e4a4b6140cb7bf2025d28e41b"), "TRST", 6, true),
+      newErc20Contract("Monolith TKN", NetworkType.Mainnet, parseAddress("0xaaaf91d9b90df800df4f55c205fd6989c977e73a"), "TKN", 8, true),
+      newErc20Contract("RHOC", NetworkType.Mainnet, parseAddress("0x168296bb09e24a88805cb9c33356536b980d3fc5"), "RHOC", 8, true),
+      newErc20Contract("Target Coin", NetworkType.Mainnet, parseAddress("0xac3da587eac229c9896d919abc235ca4fd7f72c1"), "TGT", 1, false),
+      newErc20Contract("Everex", NetworkType.Mainnet, parseAddress("0xf3db5fa2c66b7af3eb0c0b782510816cbe4813b8"), "EVX", 4, true),
+      newErc20Contract("ICOS", NetworkType.Mainnet, parseAddress("0x014b50466590340d41307cc54dcee990c8d58aa8"), "ICOS", 6, true),
+      newErc20Contract("district0x Network Token", NetworkType.Mainnet, parseAddress("0x0abdace70d3790235af448c88547603b945604ea"), "DNT", 18, true),
+      newErc20Contract("Dentacoin", NetworkType.Mainnet, parseAddress("0x08d32b0da63e2c3bcf8019c9c5d849d7a9d791e6"), "٨", 0, false),
+      newErc20Contract("Eidoo Token", NetworkType.Mainnet, parseAddress("0xced4e93198734ddaff8492d525bd258d49eb388e"), "EDO", 18, true),
+      newErc20Contract("BitDice", NetworkType.Mainnet, parseAddress("0x29d75277ac7f0335b2165d0895e8725cbf658d73"), "CSNO", 8, false),
+      newErc20Contract("Cobinhood Token", NetworkType.Mainnet, parseAddress("0xb2f7eb1f2c37645be61d73953035360e768d81e6"), "COB", 18, true),
+      newErc20Contract("Enjin Coin", NetworkType.Mainnet, parseAddress("0xf629cbd94d3791c9250152bd8dfbdf380e2a3b9c"), "ENJ", 18, false),
+      newErc20Contract("AVENTUS", NetworkType.Mainnet, parseAddress("0x0d88ed6e74bbfd96b831231638b66c05571e824f"), "AVT", 18, false),
+      newErc20Contract("Chronobank TIME", NetworkType.Mainnet, parseAddress("0x6531f133e6deebe7f2dce5a0441aa7ef330b4e53"), "TIME", 8, false),
+      newErc20Contract("Cindicator Token", NetworkType.Mainnet, parseAddress("0xd4c435f5b09f855c3317c8524cb1f586e42795fa"), "CND", 18, true),
+      newErc20Contract("Stox", NetworkType.Mainnet, parseAddress("0x006bea43baa3f7a6f765f14f10a1a1b08334ef45"), "STX", 18, true),
+      newErc20Contract("Xaurum", NetworkType.Mainnet, parseAddress("0x4df812f6064def1e5e029f1ca858777cc98d2d81"), "XAUR", 8, true),
+      newErc20Contract("Vibe", NetworkType.Mainnet, parseAddress("0x2c974b2d0ba1716e644c1fc59982a89ddd2ff724"), "VIB", 18, true),
+      newErc20Contract("PRG", NetworkType.Mainnet, parseAddress("0x7728dfef5abd468669eb7f9b48a7f70a501ed29d"), "PRG", 6, false),
+      newErc20Contract("Delphy Token", NetworkType.Mainnet, parseAddress("0x6c2adc2073994fb2ccc5032cc2906fa221e9b391"), "DPY", 18, true),
+      newErc20Contract("CoinDash Token", NetworkType.Mainnet, parseAddress("0x2fe6ab85ebbf7776fee46d191ee4cea322cecf51"), "CDT", 18, true),
+      newErc20Contract("Tierion Network Token", NetworkType.Mainnet, parseAddress("0x08f5a9235b08173b7569f83645d2c7fb55e8ccd8"), "TNT", 8, true),
+      newErc20Contract("DomRaiderToken", NetworkType.Mainnet, parseAddress("0x9af4f26941677c706cfecf6d3379ff01bb85d5ab"), "DRT", 8, true),
+      newErc20Contract("SPANK", NetworkType.Mainnet, parseAddress("0x42d6622dece394b54999fbd73d108123806f6a18"), "SPANK", 18, true),
+      newErc20Contract("Berlin Coin", NetworkType.Mainnet, parseAddress("0x80046305aaab08f6033b56a360c184391165dc2d"), "BRLN", 18, true),
+      newErc20Contract("USD//C", NetworkType.Mainnet, parseAddress("0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"), "USDC", 6, true),
+      newErc20Contract("Livepeer Token", NetworkType.Mainnet, parseAddress("0x58b6a8a3302369daec383334672404ee733ab239"), "LPT", 18, true),
+      newErc20Contract("Simple Token", NetworkType.Mainnet, parseAddress("0x2c4e8f2d746113d0696ce89b35f0d8bf88e0aeca"), "ST", 18, true),
+      newErc20Contract("Wrapped BTC", NetworkType.Mainnet, parseAddress("0x2260fac5e5542a773aa44fbcfedf7c193bc2c599"), "WBTC", 8, true),
+      newErc20Contract("Bloom Token", NetworkType.Mainnet, parseAddress("0x107c4504cd79c5d2696ea0030a8dd4e92601b82e"), "BLT", 18, true),
+      newErc20Contract("Unisocks", NetworkType.Mainnet, parseAddress("0x23b608675a2b2fb1890d3abbd85c5775c51691d5"), "SOCKS", 18, true),
+      newErc20Contract("Hermez Network Token", NetworkType.Mainnet, parseAddress("0xEEF9f339514298C6A857EfCfC1A762aF84438dEE"), "HEZ", 18, true),
+      Contract(name: "stickers", network: NetworkType.Mainnet, address: parseAddress("0x0577215622f43a39f4bc9640806dfea9b10d2a36"),
         methods: [
           ("packCount", Method(signature: "packCount()")),
           ("getPackData", Method(signature: "getPackData(uint256)"))
         ].toTable
       ),
-      Contract(name: "sticker-market", network: Network.Mainnet, address: parseAddress("0x12824271339304d3a9f7e096e62a2a7e73b4a7e7"),
+      Contract(name: "sticker-market", network: NetworkType.Mainnet, address: parseAddress("0x12824271339304d3a9f7e096e62a2a7e73b4a7e7"),
         methods: [
           ("buyToken", Method(signature: "buyToken(uint256,address,uint256)"))
         ].toTable
       ),
-      newErc721Contract("sticker-pack", Network.Mainnet, parseAddress("0x110101156e8F0743948B2A61aFcf3994A8Fb172e"), "PACK", false, @[("tokenPackId", Method(signature: "tokenPackId(uint256)"))]),
+      newErc721Contract("sticker-pack", NetworkType.Mainnet, parseAddress("0x110101156e8F0743948B2A61aFcf3994A8Fb172e"), "PACK", false, @[("tokenPackId", Method(signature: "tokenPackId(uint256)"))]),
       # Strikers seems dead. Their website doesn't work anymore
-      newErc721Contract("strikers", Network.Mainnet, parseAddress("0xdcaad9fd9a74144d226dbf94ce6162ca9f09ed7e"), "STRK", true),
-      newErc721Contract("ethermon", Network.Mainnet, parseAddress("0xb2c0782ae4a299f7358758b2d15da9bf29e1dd99"), "EMONA", true),
-      newErc721Contract("kudos", Network.Mainnet, parseAddress("0x2aea4add166ebf38b63d09a75de1a7b94aa24163"), "KDO", true),
-      newErc721Contract("crypto-kitties", Network.Mainnet, parseAddress("0x06012c8cf97bead5deae237070f9587f8e7a266d"), "CK", true),
-      Contract(name: "ens-usernames", network: Network.Mainnet, address: parseAddress("0xDB5ac1a559b02E12F29fC0eC0e37Be8E046DEF49"),
+      newErc721Contract("strikers", NetworkType.Mainnet, parseAddress("0xdcaad9fd9a74144d226dbf94ce6162ca9f09ed7e"), "STRK", true),
+      newErc721Contract("ethermon", NetworkType.Mainnet, parseAddress("0xb2c0782ae4a299f7358758b2d15da9bf29e1dd99"), "EMONA", true),
+      newErc721Contract("kudos", NetworkType.Mainnet, parseAddress("0x2aea4add166ebf38b63d09a75de1a7b94aa24163"), "KDO", true),
+      newErc721Contract("crypto-kitties", NetworkType.Mainnet, parseAddress("0x06012c8cf97bead5deae237070f9587f8e7a266d"), "CK", true),
+      Contract(name: "ens-usernames", network: NetworkType.Mainnet, address: parseAddress("0xDB5ac1a559b02E12F29fC0eC0e37Be8E046DEF49"),
           methods: [
             ("register", Method(signature: "register(bytes32,address,bytes32,bytes32)")),
             ("getPrice", Method(signature: "getPrice()")),
@@ -209,34 +210,34 @@ proc allContracts(): seq[Contract] =
             ("release", Method(signature: "release(bytes32)"))
           ].toTable
       ),
-      Contract(name: "ens-resolver", network: Network.Mainnet, address: parseAddress("0x4976fb03C32e5B8cfe2b6cCB31c09Ba78EBaBa41"),
+      Contract(name: "ens-resolver", network: NetworkType.Mainnet, address: parseAddress("0x4976fb03C32e5B8cfe2b6cCB31c09Ba78EBaBa41"),
           methods: [
             ("setPubkey", Method(signature: "setPubkey(bytes32,bytes32,bytes32)"))
           ].toTable
       ),
 
       # Testnet (Ropsten) contracts
-      newErc20Contract("Status Test Token", Network.Testnet, parseAddress("0xc55cf4b03948d7ebc8b9e8bad92643703811d162"), "STT", 18, true),
-      newErc20Contract("Handy Test Token", Network.Testnet, parseAddress("0xdee43a267e8726efd60c2e7d5b81552dcd4fa35c"), "HND", 0, false),
-      newErc20Contract("Lucky Test Token", Network.Testnet, parseAddress("0x703d7dc0bc8e314d65436adf985dda51e09ad43b"), "LXS", 2, false),
-      newErc20Contract("Adi Test Token", Network.Testnet, parseAddress("0xe639e24346d646e927f323558e6e0031bfc93581"), "ADI", 7, false),
-      newErc20Contract("Wagner Test Token", Network.Testnet, parseAddress("0x2e7cd05f437eb256f363417fd8f920e2efa77540"), "WGN", 10, false),
-      newErc20Contract("Modest Test Token", Network.Testnet, parseAddress("0x57cc9b83730e6d22b224e9dc3e370967b44a2de0"), "MDS", 18, false),
-      Contract(name: "tribute-to-talk", network: Network.Testnet, address: parseAddress("0xC61aa0287247a0398589a66fCD6146EC0F295432")),
-      Contract(name: "stickers", network: Network.Testnet, address: parseAddress("0x8cc272396be7583c65bee82cd7b743c69a87287d"),
+      newErc20Contract("Status Test Token", NetworkType.Testnet, parseAddress("0xc55cf4b03948d7ebc8b9e8bad92643703811d162"), "STT", 18, true),
+      newErc20Contract("Handy Test Token", NetworkType.Testnet, parseAddress("0xdee43a267e8726efd60c2e7d5b81552dcd4fa35c"), "HND", 0, false),
+      newErc20Contract("Lucky Test Token", NetworkType.Testnet, parseAddress("0x703d7dc0bc8e314d65436adf985dda51e09ad43b"), "LXS", 2, false),
+      newErc20Contract("Adi Test Token", NetworkType.Testnet, parseAddress("0xe639e24346d646e927f323558e6e0031bfc93581"), "ADI", 7, false),
+      newErc20Contract("Wagner Test Token", NetworkType.Testnet, parseAddress("0x2e7cd05f437eb256f363417fd8f920e2efa77540"), "WGN", 10, false),
+      newErc20Contract("Modest Test Token", NetworkType.Testnet, parseAddress("0x57cc9b83730e6d22b224e9dc3e370967b44a2de0"), "MDS", 18, false),
+      Contract(name: "tribute-to-talk", network: NetworkType.Testnet, address: parseAddress("0xC61aa0287247a0398589a66fCD6146EC0F295432")),
+      Contract(name: "stickers", network: NetworkType.Testnet, address: parseAddress("0x8cc272396be7583c65bee82cd7b743c69a87287d"),
         methods: [
           ("packCount", Method(signature: "packCount()")),
           ("getPackData", Method(signature: "getPackData(uint256)"))
         ].toTable
       ),
-      Contract(name: "sticker-market", network: Network.Testnet, address: parseAddress("0x6CC7274aF9cE9572d22DFD8545Fb8c9C9Bcb48AD"),
+      Contract(name: "sticker-market", network: NetworkType.Testnet, address: parseAddress("0x6CC7274aF9cE9572d22DFD8545Fb8c9C9Bcb48AD"),
         methods: [
           ("buyToken", Method(signature: "buyToken(uint256,address,uint256)"))
         ].toTable
       ),
-      newErc721Contract("sticker-pack", Network.Testnet, parseAddress("0xf852198d0385c4b871e0b91804ecd47c6ba97351"), "PACK", false, @[("tokenPackId", Method(signature: "tokenPackId(uint256)"))]),
-      newErc721Contract("kudos", Network.Testnet, parseAddress("0xcd520707fc68d153283d518b29ada466f9091ea8"), "KDO", true),
-      Contract(name: "ens-usernames", network: Network.Testnet, address: parseAddress("0xdaae165beb8c06e0b7613168138ebba774aff071"),
+      newErc721Contract("sticker-pack", NetworkType.Testnet, parseAddress("0xf852198d0385c4b871e0b91804ecd47c6ba97351"), "PACK", false, @[("tokenPackId", Method(signature: "tokenPackId(uint256)"))]),
+      newErc721Contract("kudos", NetworkType.Testnet, parseAddress("0xcd520707fc68d153283d518b29ada466f9091ea8"), "KDO", true),
+      Contract(name: "ens-usernames", network: NetworkType.Testnet, address: parseAddress("0xdaae165beb8c06e0b7613168138ebba774aff071"),
           methods: [
             ("register", Method(signature: "register(bytes32,address,bytes32,bytes32)")),
             ("getPrice", Method(signature: "getPrice()")),
@@ -244,30 +245,30 @@ proc allContracts(): seq[Contract] =
             ("release", Method(signature: "release(bytes32)"))
           ].toTable
       ),
-      Contract(name: "ens-resolver", network: Network.Testnet, address: parseAddress("0x42D63ae25990889E35F215bC95884039Ba354115"),
+      Contract(name: "ens-resolver", network: NetworkType.Testnet, address: parseAddress("0x42D63ae25990889E35F215bC95884039Ba354115"),
           methods: [
             ("setPubkey", Method(signature: "setPubkey(bytes32,bytes32,bytes32)"))
           ].toTable
       ),
 
       # Rinkeby contracts
-      newErc20Contract("Moksha Coin", Network.Rinkeby, parseAddress("0x6ba7dc8dd10880ab83041e60c4ede52bb607864b"), "MOKSHA", 18, false),
-      newErc20Contract("WIBB", Network.Rinkeby, parseAddress("0x7d4ccf6af2f0fdad48ee7958bcc28bdef7b732c7"), "WIBB", 18, false),
-      newErc20Contract("Status Test Token", Network.Rinkeby, parseAddress("0x43d5adc3b49130a575ae6e4b00dfa4bc55c71621"), "STT", 18, false),
+      newErc20Contract("Moksha Coin", NetworkType.Rinkeby, parseAddress("0x6ba7dc8dd10880ab83041e60c4ede52bb607864b"), "MOKSHA", 18, false),
+      newErc20Contract("WIBB", NetworkType.Rinkeby, parseAddress("0x7d4ccf6af2f0fdad48ee7958bcc28bdef7b732c7"), "WIBB", 18, false),
+      newErc20Contract("Status Test Token", NetworkType.Rinkeby, parseAddress("0x43d5adc3b49130a575ae6e4b00dfa4bc55c71621"), "STT", 18, false),
 
       # xDai contracts
-      newErc20Contract("buffiDai", Network.XDai, parseAddress("0x3e50bf6703fc132a94e4baff068db2055655f11b"), "BUFF", 18, false),
+      newErc20Contract("buffiDai", NetworkType.XDai, parseAddress("0x3e50bf6703fc132a94e4baff068db2055655f11b"), "BUFF", 18, false),
 
-      newErc20Contract("Uniswap", Network.Mainnet, parseAddress("0x1f9840a85d5af5bf1d1762f925bdaddc4201f984"), "UNI", 18, true),
-      newErc20Contract("Compound", Network.Mainnet, parseAddress("0xc00e94cb662c3520282e6f5717214004a7f26888"), "COMP", 18, true),
-      newErc20Contract("Balancer", Network.Mainnet, parseAddress("0xba100000625a3754423978a60c9317c58a424e3d"), "BAL", 18, true),
-      newErc20Contract("Akropolis", Network.Mainnet, parseAddress("0x8ab7404063ec4dbcfd4598215992dc3f8ec853d7"), "AKRO", 18, true),
-      newErc20Contract("Orchid", Network.Mainnet, parseAddress("0x4575f41308EC1483f3d399aa9a2826d74Da13Deb"), "OXT", 18, false),
+      newErc20Contract("Uniswap", NetworkType.Mainnet, parseAddress("0x1f9840a85d5af5bf1d1762f925bdaddc4201f984"), "UNI", 18, true),
+      newErc20Contract("Compound", NetworkType.Mainnet, parseAddress("0xc00e94cb662c3520282e6f5717214004a7f26888"), "COMP", 18, true),
+      newErc20Contract("Balancer", NetworkType.Mainnet, parseAddress("0xba100000625a3754423978a60c9317c58a424e3d"), "BAL", 18, true),
+      newErc20Contract("Akropolis", NetworkType.Mainnet, parseAddress("0x8ab7404063ec4dbcfd4598215992dc3f8ec853d7"), "AKRO", 18, true),
+      newErc20Contract("Orchid", NetworkType.Mainnet, parseAddress("0x4575f41308EC1483f3d399aa9a2826d74Da13Deb"), "OXT", 18, false),
     ]
     contractsInited = true
     result = contracts
 
-proc getContract(network: Network, name: string): Contract =
+proc getContract(network: NetworkType, name: string): Contract =
   let found = allContracts().filter(contract => contract.name == name and contract.network == network)
   result = if found.len > 0: found[0] else: nil
 
@@ -295,7 +296,7 @@ proc getErc20Contracts*(): seq[Erc20Contract] =
   let network = settings.getCurrentNetwork()
   result = allContracts().filter(contract => contract of Erc20Contract and contract.network == network).map(contract => Erc20Contract(contract))
 
-proc getErc721Contract(network: Network, name: string): Erc721Contract =
+proc getErc721Contract(network: NetworkType, name: string): Erc721Contract =
   let found = allContracts().filter(contract => contract of Erc721Contract and Erc721Contract(contract).name.toLower == name.toLower and contract.network == network)
   result = if found.len > 0: Erc721Contract(found[0]) else: nil
 
@@ -308,7 +309,7 @@ proc getErc721Contracts*(): seq[Erc721Contract] =
   result = allContracts().filter(contract => contract of Erc721Contract and contract.network == network).map(contract => Erc721Contract(contract))
 
 proc getSntContract*(): Erc20Contract =
-  if settings.getCurrentNetwork() == Network.Mainnet:
+  if settings.getCurrentNetwork() == NetworkType.Mainnet:
     result = getErc20Contract("snt")
   else:
     result = getErc20Contract("stt")
diff --git a/status/libstatus/network.nim b/status/libstatus/network.nim
new file mode 100644
index 0000000..bab5aa6
--- /dev/null
+++ b/status/libstatus/network.nim
@@ -0,0 +1,43 @@
+import
+  json, chronicles, atomics
+
+import json_serialization
+
+from ./core import callPrivateRPC
+from ../types/rpc_response import RpcResponse, RpcException
+from ../wallet2/network import Network, toPayload
+
+logScope:
+  topics = "wallet"
+
+var
+  networks {.threadvar.}: seq[Network]
+  netowrksInited {.threadvar.}: bool
+  dirty: Atomic[bool]
+
+dirty.store(true)
+
+proc getNetworks*(useCached: bool = true): seq[Network] =
+  let cacheIsDirty = not netowrksInited or dirty.load
+  if useCached and not cacheIsDirty:
+    result = networks
+  else: 
+    let payload = %* [false]
+    let responseStr = callPrivateRPC("wallet_getEthereumChains", payload)
+    let response = RpcResponse(result: $(responseStr.parseJSON()["result"]))
+    if not response.error.isNil:
+      raise newException(RpcException, "Error getting networks: " & response.error.message)
+
+    result = if response.result == "null": @[] else: Json.decode(response.result, seq[Network])
+    dirty.store(false)
+    networks = result
+    netowrksInited = true
+
+proc upsertNetwork*(network: Network) =
+  discard callPrivateRPC("wallet_addEthereumChain", network.toPayload())
+  dirty.store(true)
+
+proc deleteNetwork*(network: Network) =
+  let payload = %* [network.chainId]
+  discard callPrivateRPC("wallet_deleteEthereumChain", payload)
+  dirty.store(true) 
\ No newline at end of file
diff --git a/status/libstatus/settings.nim b/status/libstatus/settings.nim
index 73ac34f..a03faa3 100644
--- a/status/libstatus/settings.nim
+++ b/status/libstatus/settings.nim
@@ -7,7 +7,7 @@ import
 import
   ./core, ./accounts/constants, ../utils
 
-import ../types/[setting, network, fleet, rpc_response]
+import ../types/[setting, network_type, fleet, rpc_response]
 
 from status_go import nil
 
@@ -65,22 +65,22 @@ proc getSetting*[T](name: Setting, defaultValue: T, useCached: bool = true): T =
 proc getSetting*[T](name: Setting, useCached: bool = true): T =
   result = getSetting(name, default(type(T)), useCached)
 
-proc getCurrentNetwork*(): Network =
+proc getCurrentNetwork*(): NetworkType =
   case getSetting[string](Setting.Networks_CurrentNetwork, constants.DEFAULT_NETWORK_NAME):
   of "mainnet_rpc":
-    result = Network.Mainnet
+    result = NetworkType.Mainnet
   of "testnet_rpc":
-    result = Network.Testnet
+    result = NetworkType.Testnet
   of "rinkeby_rpc":
-    result = Network.Rinkeby
+    result = NetworkType.Rinkeby
   of "goerli_rpc":
-    result = Network.Goerli
+    result = NetworkType.Goerli
   of "xdai_rpc":
-    result = Network.XDai
+    result = NetworkType.XDai
   of "poa_rpc":
-    result = Network.Poa
+    result = NetworkType.Poa
   else:
-    result = Network.Other
+    result = NetworkType.Other
 
 proc getCurrentNetworkDetails*(): NetworkDetails =
   let currNetwork = getSetting[string](Setting.Networks_CurrentNetwork, constants.DEFAULT_NETWORK_NAME)
diff --git a/status/libstatus/tokens.nim b/status/libstatus/tokens.nim
index 34e74e6..73aa6e9 100644
--- a/status/libstatus/tokens.nim
+++ b/status/libstatus/tokens.nim
@@ -6,7 +6,7 @@ import
 
 import 
   ./settings, ./core, ./wallet, ./eth/contracts,
-  ../types/[setting, network, rpc_response]
+  ../types/[setting, network_type, rpc_response]
 from ../utils import parseAddress
 
 logScope:
@@ -38,7 +38,7 @@ proc getCustomTokens*(useCached: bool = true): seq[Erc20Contract] =
 
 proc visibleTokensSNTDefault(): JsonNode =
   let currentNetwork = getCurrentNetwork()
-  let SNT = if currentNetwork == Network.Mainnet: "SNT" else: "STT"
+  let SNT = if currentNetwork == NetworkType.Mainnet: "SNT" else: "STT"
   let response = getSetting[string](Setting.VisibleTokens, "{}").parseJSON
 
   if not response.hasKey($currentNetwork):
diff --git a/status/settings.nim b/status/settings.nim
index 38eb3e1..bc31841 100644
--- a/status/settings.nim
+++ b/status/settings.nim
@@ -5,7 +5,7 @@ import
 
 import libstatus/settings as libstatus_settings
 import ../eventemitter
-import ./types/[fleet, network, setting, rpc_response]
+import ./types/[fleet, network_type, setting, rpc_response]
 
 type
     SettingsModel* = ref object
@@ -49,10 +49,10 @@ proc saveMailserver*(self: SettingsModel, name, enode: string) =
 proc getFleet*(self: SettingsModel): Fleet =
     result = libstatus_settings.getFleet()
 
-proc getCurrentNetwork*(): Network =
+proc getCurrentNetwork*(): NetworkType =
     result = libstatus_settings.getCurrentNetwork()
 
-proc getCurrentNetwork*(self: SettingsModel): Network =
+proc getCurrentNetwork*(self: SettingsModel): NetworkType =
     result = getCurrentNetwork()
 
 proc setWakuVersion*(self: SettingsModel, newVersion: int) =
diff --git a/status/types/message.nim b/status/types/message.nim
index 97ed398..3bba5c0 100644
--- a/status/types/message.nim
+++ b/status/types/message.nim
@@ -11,7 +11,7 @@ import ../libstatus/tokens as status_tokens
 import ../libstatus/eth/contracts as status_contracts
 import web3/conversions
 from ../utils import parseAddress, wei2Eth
-import setting, network
+import setting, network_type
 
 include message_command_parameters
 include message_reaction
@@ -155,7 +155,7 @@ proc toMessage*(jsonMsg: JsonNode): Message =
   if message.contentType == ContentType.Transaction:
     let
       allContracts = getErc20Contracts().concat(getCustomTokens())
-      ethereum = newErc20Contract("Ethereum", Network.Mainnet, parseAddress(constants.ZERO_ADDRESS), "ETH", 18, true)
+      ethereum = newErc20Contract("Ethereum", NetworkType.Mainnet, parseAddress(constants.ZERO_ADDRESS), "ETH", 18, true)
       tokenAddress = jsonMsg["commandParameters"]["contract"].getStr
       tokenContract = if tokenAddress == "": ethereum else: allContracts.getErc20ContractByAddress(parseAddress(tokenAddress)) 
       tokenContractStr = if tokenContract == nil: "{}" else: $(Json.encode(tokenContract))
diff --git a/status/types/network.nim b/status/types/network_type.nim
similarity index 82%
rename from status/types/network.nim
rename to status/types/network_type.nim
index ddd37b7..113c70c 100644
--- a/status/types/network.nim
+++ b/status/types/network_type.nim
@@ -5,7 +5,7 @@ include network_details
 include upstream_config
 
 type
-  Network* {.pure.} = enum
+  NetworkType* {.pure.} = enum
     Mainnet = "mainnet_rpc",
     Testnet = "testnet_rpc",
     Rinkeby = "rinkeby_rpc",
diff --git a/status/wallet.nim b/status/wallet.nim
index 9a62b8c..445ba2b 100644
--- a/status/wallet.nim
+++ b/status/wallet.nim
@@ -16,7 +16,7 @@ import wallet/account as wallet_account
 import transactions
 import ../eventemitter
 import options
-import ./types/[account, transaction, network, setting, gas_prediction, rpc_response]
+import ./types/[account, transaction, network_type, setting, gas_prediction, rpc_response]
 export wallet_account, collectibles
 export Transaction
 
@@ -355,7 +355,7 @@ proc validateMnemonic*(self: WalletModel, mnemonic: string): string =
   result = status_wallet.validateMnemonic(mnemonic).parseJSON()["error"].getStr
 
 proc getGasPricePredictions*(): GasPricePrediction =
-  if status_settings.getCurrentNetwork() != Network.Mainnet:
+  if status_settings.getCurrentNetwork() != NetworkType.Mainnet:
     # TODO: what about other chains like xdai?
     return GasPricePrediction(safeLow: 1.0, standard: 2.0, fast: 3.0, fastest: 4.0)
   let secureSSLContext = newContext()
diff --git a/status/wallet2.nim b/status/wallet2.nim
index 51590ad..50f2cd9 100644
--- a/status/wallet2.nim
+++ b/status/wallet2.nim
@@ -4,11 +4,12 @@ import libstatus/accounts as status_accounts
 import libstatus/accounts/constants as constants
 import libstatus/tokens as status_tokens
 import libstatus/wallet as status_wallet
+import libstatus/network as status_network
 import libstatus/settings as status_settings
 import libstatus/eth/[contracts]
-import wallet2/[balance_manager, collectibles]
+import wallet2/[balance_manager, collectibles, network]
 import wallet2/account as wallet_account
-import ./types/[account, transaction, network, setting, gas_prediction, rpc_response]
+import ./types/[account, transaction, network_type, setting, gas_prediction, rpc_response]
 import ../eventemitter
 from web3/ethtypes import Address
 from web3/conversions import `$`
@@ -26,6 +27,7 @@ type
   StatusWalletController* = ref object
     events: EventEmitter
     accounts: seq[WalletAccount]
+    networks: seq[Network]
     tokens: seq[Erc20Contract]
     totalBalance*: float
 
@@ -39,6 +41,7 @@ proc setup(self: StatusWalletController, events: EventEmitter) =
   self.events = events
   self.accounts = @[]
   self.tokens = @[]
+  self.networks = @[]
   self.totalBalance = 0.0
   self.initEvents()
 
@@ -53,6 +56,9 @@ proc newStatusWalletController*(events: EventEmitter):
 proc initTokens(self: StatusWalletController) =
   self.tokens = status_tokens.getVisibleTokens()
 
+proc initNetworks(self: StatusWalletController) =
+  self.networks = status_network.getNetworks()
+
 proc initAccounts(self: StatusWalletController) =
   let accounts = status_wallet.getWalletAccounts()
   for acc in accounts:
@@ -63,6 +69,7 @@ proc initAccounts(self: StatusWalletController) =
 
 proc init*(self: StatusWalletController) =
   self.initTokens()
+  self.initNetworks()
   self.initAccounts()
 
 proc initEvents*(self: StatusWalletController) = 
diff --git a/status/wallet2/network.nim b/status/wallet2/network.nim
new file mode 100644
index 0000000..0bd2bac
--- /dev/null
+++ b/status/wallet2/network.nim
@@ -0,0 +1,27 @@
+from json import JsonNode, `%*`
+from strformat import fmt
+from json_serialization import serializedFieldName
+
+type Network* = ref object
+  chainID* {.serializedFieldName("chain_id").}: int
+  nativeCurrencyDecimals* {.serializedFieldName("native_currency_decimals").}: int
+  layer* {.serializedFieldName("layer").}: int
+  chainName* {.serializedFieldName("chain_name").}: string
+  rpcURL* {.serializedFieldName("rpc_url").}: string
+  blockExplorerURL* {.serializedFieldName("block_explorer_url").}: string
+  iconURL* {.serializedFieldName("icon_url").}: string
+  nativeCurrencyName* {.serializedFieldName("native_currency_name").}: string
+  nativeCurrencySymbol* {.serializedFieldName("native_currency_symbol").}: string
+  isTest* {.serializedFieldName("is_test").}: bool
+  enabled* {.serializedFieldName("enabled").}: bool
+
+proc `$`*(self: Network): string =
+  return fmt"Network(chainID:{self.chainID}, name:{self.chainName}, rpcURL:{self.rpcURL}, isTest:{self.isTest}, enabled:{self.enabled})"
+
+proc toPayload*(self: Network): JsonNode =
+  return %* [{
+    "chain_id": self.chainID, "native_currency_decimals": self.nativeCurrencyDecimals, "layer": self.layer,
+    "chain_name": self.chainName, "rpc_url": self.rpcURL, "block_explorer_url": self.blockExplorerURL,
+    "icon_url": self.iconURL, "native_currency_name": self.nativeCurrencyName,
+    "native_currency_symbol": self.nativeCurrencySymbol, "is_test": self.isTest, "enabled": self.enabled
+  }]
\ No newline at end of file