feat: avalanche end-to-end tests

chain/avalanche/abi.go

@@ -0,0 +1,46 @@
+package avalanche
+
+import (
+	_ "embed"
+	"math/big"
+
+	"github.com/ava-labs/coreth/precompile/contract"
+)
+
+var (
+	//go:embed abi.json
+	rawABI string
+
+	abi = contract.ParseABI(rawABI)
+)
+
+type Height struct {
+	RevisionNumber *big.Int
+	RevisionHeight *big.Int
+}
+
+type MsgSendPacket struct {
+	ChannelCapability *big.Int
+	SourcePort        string
+	SourceChannel     string
+	TimeoutHeight     Height
+	TimeoutTimestamp  *big.Int
+	Data              []byte
+}
+
+type FungibleTokenPacketData struct {
+	// the token denomination to be transferred
+	Denom string `json:"denom"`
+	// the token amount to be transferred
+	Amount string `json:"amount"`
+	// the sender address
+	Sender string `json:"sender"`
+	// the recipient address on the destination chain
+	Receiver string `json:"receiver"`
+	// optional memo
+	Memo string `json:"memo,omitempty"`
+}
+
+func packSendPacket(msg MsgSendPacket) ([]byte, error) {
+	return abi.Pack("sendPacket", msg.ChannelCapability, msg.SourcePort, msg.SourceChannel, msg.TimeoutHeight, msg.TimeoutTimestamp, msg.Data)
+}

chain/avalanche/abi.json

@@ -0,0 +1,50 @@
+[{
+  "inputs": [
+    {
+      "internalType": "uint256",
+      "name": "channelCapability",
+      "type": "uint256"
+    },
+    {
+      "internalType": "string",
+      "name": "sourcePort",
+      "type": "string"
+    },
+    {
+      "internalType": "string",
+      "name": "sourceChannel",
+      "type": "string"
+    },
+    {
+      "components": [
+        {
+          "internalType": "uint256",
+          "name": "revisionNumber",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "revisionHeight",
+          "type": "uint256"
+        }
+      ],
+      "internalType": "struct Height",
+      "name": "timeoutHeight",
+      "type": "tuple"
+    },
+    {
+      "internalType": "uint256",
+      "name": "timeoutTimestamp",
+      "type": "uint256"
+    },
+    {
+      "internalType": "bytes",
+      "name": "data",
+      "type": "bytes"
+    }
+  ],
+  "name": "sendPacket",
+  "outputs": [],
+  "stateMutability": "nonpayable",
+  "type": "function"
+}]