refactor: add new module for stickers (#107)

status/statusgo_backend_new/core.nim

@@ -1,4 +1,4 @@
-import json, json_serialization, strformat, chronicles
+import json, json_serialization, strformat, chronicles, nimcrypto
 import status_go
 import response_type
 
@@ -42,3 +42,13 @@ proc signMessage*(rpcParams: string): string =
 
 proc signTypedData*(data: string, address: string, password: string): string =
   return $status_go.signTypedData(data, address, password)
+
+proc sendTransaction*(inputJSON: string, password: string): RpcResponse[JsonNode] 
+  {.raises: [RpcException, ValueError, Defect, SerializationError].} =
+  try:
+    var hashed_password = "0x" & $keccak_256.digest(password)
+    let rpcResponseRaw = status_go.sendTransaction(inputJSON, hashed_password)
+    result = Json.decode(rpcResponseRaw, RpcResponse[JsonNode])
+  except RpcException as e:
+    error "error sending tx", inputJSON, exception=e.msg
+    raise newException(RpcException, e.msg)

status/statusgo_backend_new/ens.nim

@@ -1,80 +1,59 @@
-import json, web3/[conversions, ethtypes]
+import sequtils
-import ./core, ./response_type
+import strformat
-import ../types/transaction
+import strutils
-import ./conversions as conv
+import nimcrypto
-import ./utils
+import json
-export response_type
+import json_serialization
+import tables
+import stew/byteutils
+import unicode
+import algorithm
+import web3/[ethtypes, conversions], stew/byteutils, stint
+import chronicles, libp2p/[multihash, multicodec, cid]
+import ./eth
 
-proc resolver*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+proc namehash*(ensName:string): string =
-  let payload = %* [chainId, username]
+  let name = ensName.toLower()
+  var node:array[32, byte]
 
-  return core.callPrivateRPC("ens_resolver", payload)
+  node.fill(0)
+  var parts = name.split(".")
+  for i in countdown(parts.len - 1,0):
+    let elem = keccak_256.digest(parts[i]).data
+    var concatArrays: array[64, byte]
+    concatArrays[0..31] = node
+    concatArrays[32..63] = elem
+    node = keccak_256.digest(concatArrays).data
 
-proc ownerOf*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  result = "0x" & node.toHex()
-  let payload = %* [chainId, username]
 
-  return core.callPrivateRPC("ens_ownerOf", payload)
+const registry* = "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e"
+const resolver_signature = "0x0178b8bf"
+proc resolver*(usernameHash: string): string =
+  let payload = %* [{
+    "to": registry,
+    "from": "0x0000000000000000000000000000000000000000",
+    "data": fmt"{resolver_signature}{userNameHash}"
+  }, "latest"]
 
-proc contentHash*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  var resolverAddr = eth.doEthCall(payload).result.getStr()
-  let payload = %* [chainId, username]
+  resolverAddr.removePrefix("0x000000000000000000000000")
+  result = "0x" & resolverAddr
 
-  return core.callPrivateRPC("ens_contentHash", payload)
+const contenthash_signature = "0xbc1c58d1" # contenthash(bytes32)
+proc contenthash*(ensAddr: string): string =
+  var ensHash = namehash(ensAddr)
+  ensHash.removePrefix("0x")
+  let ensResolver = resolver(ensHash)
+  let payload = %* [{
+    "to": ensResolver,
+    "from": "0x0000000000000000000000000000000000000000",
+    "data": fmt"{contenthash_signature}{ensHash}"
+  }, "latest"]
 
-proc publicKeyOf*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  let bytesResponse =  eth.doEthCall(payload).result.getStr()
-  let payload = %* [chainId, username]
+  if bytesResponse == "0x":
+    return ""
 
-  return core.callPrivateRPC("ens_publicKeyOf", payload)
+  let size = fromHex(Stuint[256], bytesResponse[66..129]).truncate(int)
-
+  result = bytesResponse[130..129+size*2]
-proc addressOf*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, username]
-
-  return core.callPrivateRPC("ens_addressOf", payload)
-
-proc expireAt*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, username]
-
-  return core.callPrivateRPC("ens_expireAt", payload)
-
-proc price*(chainId: int): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId]
-  return core.callPrivateRPC("ens_price", payload)
-
-proc resourceURL*(chainId: int, username: string): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, username]
-  return core.callPrivateRPC("ens_resourceURL", payload)
-
-proc register*(
-  chainId: int, txData: TransactionData, password: string, username: string, pubkey: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, hashPassword(password), username, pubkey]
-  return core.callPrivateRPC("ens_register", payload)
-
-proc registerEstimate*(
-  chainId: int, txData: TransactionData, username: string, pubkey: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, username, pubkey]
-  return core.callPrivateRPC("ens_registerEstimate", payload)
-
-proc release*(
-  chainId: int, txData: TransactionData, password: string, username: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, hashPassword(password), username]
-  return core.callPrivateRPC("ens_release", payload)
-
-proc releaseEstimate*(
-  chainId: int, txData: TransactionData, username: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, username]
-  return core.callPrivateRPC("ens_releaseEstimate", payload)
-
-proc setPubKey*(
-  chainId: int, txData: TransactionData, password: string, username: string, pubkey: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, hashPassword(password), username, pubkey]
-  return core.callPrivateRPC("ens_setPubKey", payload)
-
-proc setPubKeyEstimate*(
-  chainId: int, txData: TransactionData, username: string, pubkey: string
-): RpcResponse[JsonNode] {.raises: [Exception].} =
-  let payload = %* [chainId, txData, username, pubkey]
-  return core.callPrivateRPC("ens_setPubKeyEstimate", payload)

status/statusgo_backend_new/eth.nim

@@ -14,5 +14,17 @@ proc getEthBalance*(address: string): RpcResponse[JsonNode] {.raises: [Exception
   let payload = %* [address, "latest"]
   return core.callPrivateRPC("eth_getBalance", payload)
 
-proc call*(payload = %* []): RpcResponse[JsonNode] {.raises: [Exception].} =
+proc getTokenBalance*(tokenAddress: string, accountAddress: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  var postfixedAccount: string = accountAddress
+  postfixedAccount.removePrefix("0x")
+  let payload = %* [{
+    "to": tokenAddress, "from": accountAddress, "data": fmt"0x70a08231000000000000000000000000{postfixedAccount}"
+  }, "latest"]
   return core.callPrivateRPC("eth_call", payload)
+
+proc sendTransaction*(transactionData: string, password: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  core.sendTransaction(transactionData, password)
+
+# This is the replacement of the `call` function
+proc doEthCall*(payload = %* []): RpcResponse[JsonNode] {.raises: [Exception].} =
+  core.callPrivateRPC("eth_call", payload)

status/statusgo_backend_new/stickers.nim

@@ -0,0 +1,43 @@
+import json
+import ../statusgo_backend_new/eth as eth
+
+
+# Retrieves number of sticker packs owned by user
+# See https://notes.status.im/Q-sQmQbpTOOWCQcYiXtf5g#Read-Sticker-Packs-owned-by-a-user
+# for more details
+proc getBalance*(address: string, data: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  let payload = %* [{
+      "to": address,
+      "data": data
+    }, "latest"]
+
+  let response = eth.doEthCall(payload)
+
+  if not response.error.isNil:
+    raise newException(RpcException, "Error getting stickers balance: " & response.error.message)
+  
+  return response
+
+proc tokenOfOwnerByIndex*(address: string, data: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  let payload = %* [{
+      "to": address,
+      "data": data
+    }, "latest"]
+
+  let response = eth.doEthCall(payload)
+  if not response.error.isNil:
+    raise newException(RpcException, "Error getting owned tokens: " & response.error.message)
+
+  return response
+
+proc getPackIdFromTokenId*(address: string, data: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  let payload = %* [{
+      "to": address,
+      "data": data
+    }, "latest"]
+
+  let response = eth.doEthCall(payload)
+  if not response.error.isNil:
+    raise newException(RpcException, "Error getting pack id from token id: " & response.error.message)
+  
+  return response

status/statusgo_backend_new/transactions.nim

@@ -15,3 +15,6 @@ proc getTransfersByAddress*(address: string, toBlock: Uint256, limit: int, loadM
     
   callPrivateRPC("wallet_getTransfersByAddress", %* [address, toBlockParsed, limitParsed, loadMore])
     
+proc trackPendingTransaction*(hash: string, fromAddress: string, toAddress: string, trxType: PendingTransactionType, data: string): RpcResponse[JsonNode] {.raises: [Exception].} =
+  let payload = %* [{"hash": hash, "from": fromAddress, "to": toAddress, "type": $trxType, "additionalData": data, "data": "",  "value": 0, "timestamp": 0, "gasPrice": 0, "gasLimit": 0}]
+  callPrivateRPC("wallet_storePendingTransaction", payload)