Feat/testnet4 deployment support

.github/actions/setup-git-for-yarn/action.yml

@@ -0,0 +1,19 @@
+name: Setup Git for Yarn (git dependencies)
+description: >
+  Configure Git so Yarn can clone dependencies (e.g. thesis/eslint-config) on
+  GitHub-hosted runners. Sets GIT_CONFIG_GLOBAL and GIT_CONFIG_NOSYSTEM to avoid
+  broken system config ("invalid key core.autocrlf" / unable to write config).
+runs:
+  using: composite
+  steps:
+    - name: Configure Git for Yarn clones
+      shell: bash
+      run: |
+        set -euo pipefail
+        CFG="${RUNNER_TEMP}/yarn-gitconfig"
+        : >"$CFG"
+        git config --file "$CFG" core.autocrlf false
+        {
+          echo "GIT_CONFIG_GLOBAL=${CFG}"
+          echo "GIT_CONFIG_NOSYSTEM=1"
+        } >> "$GITHUB_ENV"

.github/workflows/contracts-ecdsa.yml

@@ -56,11 +56,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Build
         run: yarn build
@@ -83,8 +90,6 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
 
       - uses: actions/setup-python@v4
         with:
@@ -103,8 +108,17 @@ jobs:
           SLITHER_VERSION: 0.8.3
         run: pip3 install slither-analyzer==$SLITHER_VERSION
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       # As a workaround for a slither issue https://github.com/crytic/slither/issues/1140
       # we disable compilation of dependencies when running slither.
@@ -126,11 +140,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Build solidity contracts
         run: yarn build
@@ -154,11 +175,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Deploy contracts
         run: yarn deploy:test
@@ -188,12 +216,19 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
           registry-url: "https://registry.npmjs.org"
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Get upstream packages versions
         uses: keep-network/ci/actions/upstream-builds-query@v2
@@ -289,12 +324,19 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
           registry-url: "https://registry.npmjs.org"
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Get upstream packages versions
         uses: keep-network/ci/actions/upstream-builds-query@v2

.github/workflows/contracts-random-beacon.yml

@@ -56,11 +56,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install --network-concurrency 1
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Build
         run: yarn build
@@ -83,8 +90,6 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
 
       - uses: actions/setup-python@v4
         with:
@@ -103,8 +108,17 @@ jobs:
           SLITHER_VERSION: 0.8.3
         run: pip3 install slither-analyzer==$SLITHER_VERSION
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install --network-concurrency 1
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Run Slither
         run: slither .
@@ -124,11 +138,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install --network-concurrency 1
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Build solidity contracts
         run: yarn build
@@ -152,11 +173,18 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install --network-concurrency 1 --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Deploy contracts
         run: yarn deploy:test
@@ -186,12 +214,19 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
           registry-url: "https://registry.npmjs.org"
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install --network-concurrency 1 --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Get upstream packages versions
         uses: keep-network/ci/actions/upstream-builds-query@v2
@@ -285,12 +320,19 @@ jobs:
           # artifacts generation during `hardhat compile` - see
           # https://github.com/NomicFoundation/hardhat/issues/3877
           node-version: "18.15.0"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
           registry-url: "https://registry.npmjs.org"
 
+      - uses: ./.github/actions/setup-git-for-yarn
+
       - name: Install dependencies
-        run: yarn install --network-concurrency 1 --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       - name: Get upstream packages versions
         uses: keep-network/ci/actions/upstream-builds-query@v2

.github/workflows/npm-ecdsa.yml

@@ -30,11 +30,18 @@ jobs:
           # https://github.com/NomicFoundation/hardhat/issues/3877.
           node-version: "18.15.0"
           registry-url: "https://registry.npmjs.org"
-          cache: "yarn"
-          cache-dependency-path: solidity/ecdsa/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
+          yarn install --immutable
 
       # Deploy contracts to a local network to generate deployment artifacts that
       # are required by dashboard and client compilation.

.github/workflows/npm-random-beacon.yml

@@ -30,8 +30,17 @@ jobs:
           # https://github.com/NomicFoundation/hardhat/issues/3877.
           node-version: "18.15.0"
           registry-url: "https://registry.npmjs.org"
-          cache: "yarn"
-          cache-dependency-path: solidity/random-beacon/yarn.lock
+
+      - uses: ./.github/actions/setup-git-for-yarn
+
+      - name: Enable Yarn 4 (packageManager)
+        run: |
+          export GIT_CONFIG_GLOBAL="${RUNNER_TEMP:-/tmp}/yarn-gitconfig"
+          export GIT_CONFIG_NOSYSTEM=1
+          git config --file "$GIT_CONFIG_GLOBAL" core.autocrlf false
+          corepack enable
+          corepack prepare yarn@4.8.1 --activate
+          yarn --version
 
       - name: Resolve latest contracts
         run: |

config/_electrum_urls/testnet4

@@ -0,0 +1 @@
+ssl://134.199.227.217:50002

config/electrum_test.go

@@ -30,6 +30,13 @@ func TestResolveElectrum(t *testing.T) {
 				},
 			},
 		},
+		bitcoin.Testnet4: {
+			expectedConfig: []electrum.Config{
+				{
+					URL: "ssl://134.199.227.217:50002",
+				},
+			},
+		},
 		bitcoin.Regtest: {
 			expectedConfig: []electrum.Config{
 				{

config/network/network.go

@@ -40,7 +40,7 @@ func (n Type) Bitcoin() bitcoin.Network {
 	return []bitcoin.Network{
 		bitcoin.Unknown,
 		bitcoin.Mainnet,
-		bitcoin.Testnet,
+		bitcoin.Testnet4, // Sepolia uses Bitcoin testnet4
 		bitcoin.Regtest,
 	}[n]
 }

pkg/bitcoin/bitcoin.go

@@ -88,9 +88,10 @@ const (
 	Unknown Network = iota
 	Mainnet
 	Testnet
+	Testnet4
 	Regtest
 )
 
 func (n Network) String() string {
-	return []string{"unknown", "mainnet", "testnet", "regtest"}[n]
+	return []string{"unknown", "mainnet", "testnet", "testnet4", "regtest"}[n]
 }

solidity/ecdsa/.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

solidity/ecdsa/Dockerfile

@@ -15,8 +15,8 @@ WORKDIR $WORK_DIR
 # Use `https://` instead of unauthenticated `git://` protocol.
 RUN git config --global url."https://".insteadOf git://
 
-COPY package*.json yarn.lock ./
-RUN yarn install
+COPY package*.json yarn.lock .yarnrc.yml ./
+RUN corepack enable && corepack prepare yarn@4.8.1 --activate && yarn install --immutable
 
 COPY . ./