.github/workflows/ci.yml

@@ -8,15 +8,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        nim: [stable, 2.0.14]
+        nim: [stable, 1.2.6]
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v2
+    - uses: iffy/install-nim@v3
       with:
-        submodules: recursive
-    - uses: jiro4989/setup-nim-action@v2
-      with:
-        nim-version: ${{matrix.nim}}
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        version: ${{ matrix.nim }}
     - name: Build
       run: nimble install -y
     - name: Test

.gitignore

@@ -1,6 +1,3 @@
 *
 !*/
 !*.*
-nimble.develop
-nimble.paths
-nimbledeps

Readme.md

@@ -10,11 +10,3 @@ References
   - [statechannels.org](https://statechannels.org/)
   - [Nitro paper](https://magmo.com/nitro-protocol.pdf)
   - [Nitro smart contracts & Javascript code](https://github.com/statechannels/statechannels/tree/master/packages/nitro-protocol)
-
-# Installation
-
-To avoid conflicts with previous versions of `contractabi`, use the following command to install dependencies:
-
-```bash
-nimble install --maximumtaggedversions=2
-```

config.nims

@@ -1,5 +0,0 @@
-# begin Nimble config (version 2)
---noNimblePath
-when withDir(thisDir(), system.fileExists("nimble.paths")):
-  include "nimble.paths"
-# end Nimble config

nimble.lock

@@ -1,101 +0,0 @@
-{
-  "version": 2,
-  "packages": {
-    "results": {
-      "version": "0.5.1",
-      "vcsRevision": "df8113dda4c2d74d460a8fa98252b0b771bf1f27",
-      "url": "https://github.com/arnetheduck/nim-results",
-      "downloadMethod": "git",
-      "dependencies": [],
-      "checksums": {
-        "sha1": "a9c011f74bc9ed5c91103917b9f382b12e82a9e7"
-      }
-    },
-    "unittest2": {
-      "version": "0.2.5",
-      "vcsRevision": "26f2ef3ae0ec72a2a75bfe557e02e88f6a31c189",
-      "url": "https://github.com/status-im/nim-unittest2",
-      "downloadMethod": "git",
-      "dependencies": [],
-      "checksums": {
-        "sha1": "02bb3751ba9ddc3c17bfd89f2e41cb6bfb8fc0c9"
-      }
-    },
-    "stew": {
-      "version": "0.4.2",
-      "vcsRevision": "b66168735d6f3841c5239c3169d3fe5fe98b1257",
-      "url": "https://github.com/status-im/nim-stew",
-      "downloadMethod": "git",
-      "dependencies": [
-        "results",
-        "unittest2"
-      ],
-      "checksums": {
-        "sha1": "928e82cb8d2f554e8f10feb2349ee9c32fee3a8c"
-      }
-    },
-    "stint": {
-      "version": "0.8.2",
-      "vcsRevision": "470b7892561b5179ab20bd389a69217d6213fe58",
-      "url": "https://github.com/status-im/nim-stint",
-      "downloadMethod": "git",
-      "dependencies": [
-        "stew",
-        "unittest2"
-      ],
-      "checksums": {
-        "sha1": "d8f871fd617e7857192d4609fe003b48942a8ae5"
-      }
-    },
-    "nimcrypto": {
-      "version": "0.6.4",
-      "vcsRevision": "721fb99ee099b632eb86dfad1f0d96ee87583774",
-      "url": "https://github.com/cheatfate/nimcrypto",
-      "downloadMethod": "git",
-      "dependencies": [],
-      "checksums": {
-        "sha1": "f9ab24fa940ed03d0fb09729a7303feb50b7eaec"
-      }
-    },
-    "questionable": {
-      "version": "0.10.15",
-      "vcsRevision": "82d90b67bcfb7f2e918b61dace2ff1a4ced60935",
-      "url": "https://github.com/codex-storage/questionable",
-      "downloadMethod": "git",
-      "dependencies": [],
-      "checksums": {
-        "sha1": "3238ff637c7b44d2fa8fcb839a8ded968e389de3"
-      }
-    },
-    "contractabi": {
-      "version": "0.7.3",
-      "vcsRevision": "0a7b4cecce725bcb11ad8648035a92704a8854d3",
-      "url": "https://github.com/status-im/nim-contract-abi",
-      "downloadMethod": "git",
-      "dependencies": [
-        "stint",
-        "stew",
-        "nimcrypto",
-        "questionable"
-      ],
-      "checksums": {
-        "sha1": "1bb9af15f02a77b44af02ec94b0e392b1ec88438"
-      }
-    },
-    "secp256k1": {
-      "version": "0.6.0.3.2",
-      "vcsRevision": "b526c4b436809aa1cfe650026d796cf7b8328b91",
-      "url": "https://github.com/status-im/nim-secp256k1",
-      "downloadMethod": "git",
-      "dependencies": [
-        "stew",
-        "results",
-        "nimcrypto"
-      ],
-      "checksums": {
-        "sha1": "e6e50bd4a29cb473b070eb5359d87d8946d96075"
-      }
-    }
-  },
-  "tasks": {}
-}

nitro.nimble

@@ -1,12 +1,13 @@
-version = "0.6.1"
+version = "0.5.1"
 author = "Nim Nitro developers"
 license = "MIT"
 description = "Nitro state channels"
 
-requires "nim >= 2.0.14 & < 3.0.0"
-requires "nimcrypto >= 0.6.0 & < 0.7.0"
-requires "questionable >= 0.10.10 & < 0.11.0"
-requires "contractabi >= 0.7.1 & < 0.8.0"
-requires "secp256k1 >= 0.6.0 & < 0.7.0"
-requires "stint >= 0.8.0 & < 0.9.0"
-requires "stew >= 0.2.0"
+requires "nim >= 1.2.6 & < 2.0.0"
+requires "nimcrypto >= 0.5.4 & < 0.6.0"
+requires "questionable >= 0.10.1 & < 0.11.0"
+requires "upraises >= 0.1.0 & < 0.2.0"
+requires "contractabi >= 0.4.1 & < 0.5.0"
+requires "secp256k1"
+requires "stint"
+requires "stew"

nitro/basics.nim

@@ -1,5 +1,6 @@
 import pkg/questionable
 import pkg/questionable/results
+import pkg/upraises
 import pkg/stint
 import ./basics/uint48
 import ./basics/ethaddress
@@ -7,6 +8,7 @@ import ./basics/destination
 
 export questionable
 export results
+export upraises
 export stint
 export uint48
 export ethaddress

nitro/basics/destination.nim

@@ -1,10 +1,11 @@
 import std/hashes
 import pkg/questionable
 import pkg/questionable/results
+import pkg/upraises
 import pkg/stew/byteutils
 import ./ethaddress
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 type Destination* = distinct array[32, byte]
 

nitro/json.nim

@@ -8,7 +8,7 @@ import ./wallet/signedstate
 
 export signedstate
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 func `%`(value: Outcome | Allocation): JsonNode =
   type Base = distinctBase(typeof value)
@@ -37,7 +37,7 @@ func toJson*(payment: SignedState): string =
 
 {.pop.}
 
-{.push raises: [ValueError].}
+push: {.upraises: [ValueError].}
 
 func expectKind(node: JsonNode, kind: JsonNodeKind) =
   if node.kind != kind:
@@ -74,7 +74,7 @@ func initFromJson*(signature: var Signature, node: JsonNode, _: var string) =
 
 {.pop.}
 
-{.push raises: [].}
+push: {.upraises: [].}
 
 proc fromJson*(_: type SignedState, json: string): ?SignedState =
   try:

nitro/keys.nim

@@ -5,7 +5,7 @@ import ./basics
 export basics
 export toPublicKey
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 type
   EthPrivateKey* = SkSecretKey

nitro/protocol/abi.nim

@@ -1,7 +1,7 @@
 import pkg/contractabi
 import ../basics
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 export contractabi

nitro/protocol/channel.nim

@@ -2,7 +2,7 @@ import pkg/nimcrypto
 import ../basics
 import ./abi
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 

nitro/protocol/outcome.nim

@@ -2,7 +2,7 @@ import pkg/nimcrypto
 import ../basics
 import ./abi
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 

nitro/protocol/signature.nim

@@ -1,11 +1,11 @@
 import pkg/secp256k1
-import pkg/nimcrypto/keccak
+import pkg/nimcrypto
 import pkg/stew/byteutils
 import ../basics
 import ../keys
 import ./state
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 export keys

nitro/protocol/state.nim

@@ -4,7 +4,7 @@ import ./channel
 import ./outcome
 import ./abi
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 export channel

nitro/wallet/balances.nim

@@ -3,7 +3,7 @@ import std/sequtils
 import ../basics
 import ../protocol
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export tables
 

nitro/wallet/nonces.nim

@@ -3,7 +3,7 @@ import std/sets
 import std/hashes
 import ../basics
 
-{.push raises: [].}
+push: {.upraises: [].}
 
 type
   Nonces* = object

nitro/wallet/signedstate.nim

@@ -1,7 +1,7 @@
 import ../basics
 import ../protocol
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 type
   SignedState* = object

nitro/wallet/wallet.nim

@@ -8,7 +8,7 @@ import ./balances
 import ./nonces
 import ./deref
 
-{.push raises: [].}
+push: {.upraises:[].}
 
 export basics
 export keys

tests/nitro/examples.nim

@@ -19,10 +19,10 @@ proc example*[T](_: type seq[T], len = 0..5): seq[T] =
   newSeqWith(chosenlen, T.example)
 
 proc example*(_: type UInt256): UInt256 =
-  UInt256.fromBytesBE(array[32, byte].example)
+  UInt256.fromBytes(array[32, byte].example)
 
 proc example*(_: type UInt128): UInt128 =
-  UInt128.fromBytesBE(array[16, byte].example)
+  UInt128.fromBytes(array[16, byte].example)
 
 proc example*(_: type EthAddress): EthAddress =
   EthAddress(array[20, byte].example)

tests/nitro/wallet/testNonces.nim

@@ -4,7 +4,7 @@ import pkg/nitro/wallet/nonces
 suite "nonces":
 
   let chainId = UInt256.example
-  let participants = seq[EthAddress].example(1..5)
+  let participants = seq[EthAddress].example
 
   var nonces: Nonces
 
@@ -27,7 +27,7 @@ suite "nonces":
     check nonces.getNonce(chainId, participants) == 102
 
   test "nonces are different when participants differ":
-    let otherParticipants = seq[EthAddress].example(1..5)
+    let otherParticipants = seq[EthAddress].example
     nonces.incNonce(0, chainId, participants)
     check nonces.getNonce(chainId, otherParticipants) == 0