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rpc_get_transaction.go
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rpc_get_transaction.go
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package client
import (
"context"
"encoding/base64"
"fmt"
"github.com/EntySquare/solana-go-sdk/common"
"github.com/EntySquare/solana-go-sdk/pkg/pointer"
"github.com/EntySquare/solana-go-sdk/rpc"
"github.com/EntySquare/solana-go-sdk/types"
"github.com/mr-tron/base58"
)
type GetTransactionConfig struct {
Commitment rpc.Commitment
}
func (c GetTransactionConfig) toRpc() rpc.GetTransactionConfig {
return rpc.GetTransactionConfig{
Commitment: c.Commitment,
Encoding: rpc.TransactionEncodingBase64,
MaxSupportedTransactionVersion: pointer.Get[uint8](0),
}
}
type Transaction struct {
// rpc
Slot uint64
Meta *TransactionMeta
Transaction types.Transaction
BlockTime *int64
// custom
AccountKeys []common.PublicKey
}
func (t Transaction) Version() types.MessageVersion {
return t.Transaction.Message.Version
}
type TransactionMeta struct {
Err any
Fee uint64
PreBalances []int64
PostBalances []int64
PreTokenBalances []rpc.TransactionMetaTokenBalance
PostTokenBalances []rpc.TransactionMetaTokenBalance
LogMessages []string
InnerInstructions []InnerInstruction
LoadedAddresses rpc.TransactionLoadedAddresses
ReturnData *ReturnData
ComputeUnitsConsumed *uint64
}
type InnerInstruction struct {
Index uint64
Instructions []types.CompiledInstruction
}
// GetTransaction returns transaction details for a confirmed transaction
func (c *Client) GetTransaction(ctx context.Context, txhash string) (*Transaction, error) {
return process(
func() (rpc.JsonRpcResponse[*rpc.GetTransaction], error) {
return c.RpcClient.GetTransactionWithConfig(ctx, txhash, GetTransactionConfig{}.toRpc())
},
convertTransaction,
)
}
// GetTransaction returns transaction details for a confirmed transaction
func (c *Client) GetTransactionWithConfig(ctx context.Context, txhash string, cfg GetTransactionConfig) (*Transaction, error) {
return process(
func() (rpc.JsonRpcResponse[*rpc.GetTransaction], error) {
return c.RpcClient.GetTransactionWithConfig(ctx, txhash, cfg.toRpc())
},
convertTransaction,
)
}
func convertTransaction(v *rpc.GetTransaction) (*Transaction, error) {
if v == nil {
return nil, nil
}
// transaction
data, ok := v.Transaction.([]any)
if !ok {
return nil, fmt.Errorf("failed to cast raw response to []any")
}
if data[1] != string(rpc.TransactionEncodingBase64) {
return nil, fmt.Errorf("encoding mistmatch")
}
rawTx, err := base64.StdEncoding.DecodeString(data[0].(string))
if err != nil {
return nil, fmt.Errorf("failed to base64 decode data, err: %v", err)
}
tx, err := types.TransactionDeserialize(rawTx)
if err != nil {
return nil, fmt.Errorf("failed to deserialize transaction, err: %v", err)
}
// transaction meta
transactionMeta, err := convertTransactionMeta(v.Meta)
if err != nil {
return nil, fmt.Errorf("failed to convert transaction meta, err: %v", err)
}
// account keys
l := len(tx.Message.Accounts)
for _, alt := range tx.Message.AddressLookupTables {
l += (len(alt.WritableIndexes) + len(alt.ReadonlyIndexes))
}
accountKeys := make([]common.PublicKey, 0, l)
accountKeys = append(accountKeys, tx.Message.Accounts...)
if transactionMeta != nil {
for _, s := range transactionMeta.LoadedAddresses.Writable {
accountKeys = append(accountKeys, common.PublicKeyFromString(s))
}
for _, s := range transactionMeta.LoadedAddresses.Readonly {
accountKeys = append(accountKeys, common.PublicKeyFromString(s))
}
}
return &Transaction{
Slot: v.Slot,
BlockTime: v.BlockTime,
Transaction: tx,
Meta: transactionMeta,
AccountKeys: accountKeys,
}, nil
}
func convertTransactionMeta(meta *rpc.TransactionMeta) (*TransactionMeta, error) {
if meta == nil {
return nil, nil
}
innerInstructions := make([]InnerInstruction, 0, len(meta.InnerInstructions))
for _, metaInnerInstruction := range meta.InnerInstructions {
compiledInstructions := make([]types.CompiledInstruction, 0, len(metaInnerInstruction.Instructions))
for _, innerInstruction := range metaInnerInstruction.Instructions {
parsedInstruction, ok := innerInstruction.(map[string]any)
if !ok {
return nil, fmt.Errorf("failed to convert inner instruction type. value: %v", innerInstruction)
}
accounts, err := convertToIntSlice(parsedInstruction["accounts"].([]any))
if err != nil {
return nil, fmt.Errorf("failed to cast instructions accounts, err: %v", err)
}
var data []byte
if dataString := parsedInstruction["data"].(string); len(dataString) > 0 {
data, err = base58.Decode(dataString)
if err != nil {
return nil, fmt.Errorf("failed to base58 decode data, data: %v, err: %v", parsedInstruction["data"], err)
}
}
compiledInstructions = append(compiledInstructions, types.CompiledInstruction{
ProgramIDIndex: int(parsedInstruction["programIdIndex"].(float64)),
Accounts: accounts,
Data: data,
})
}
innerInstructions = append(innerInstructions, InnerInstruction{
Index: metaInnerInstruction.Index,
Instructions: compiledInstructions,
})
}
var returnData *ReturnData
if v := meta.ReturnData; v != nil {
d, err := convertReturnData(*v)
if err != nil {
return nil, fmt.Errorf("failed to process return data, err: %v", err)
}
returnData = &d
}
return &TransactionMeta{
Err: meta.Err,
Fee: meta.Fee,
PreBalances: meta.PreBalances,
PostBalances: meta.PostBalances,
PreTokenBalances: meta.PreTokenBalances,
PostTokenBalances: meta.PostTokenBalances,
LogMessages: meta.LogMessages,
InnerInstructions: innerInstructions,
LoadedAddresses: meta.LoadedAddresses,
ReturnData: returnData,
ComputeUnitsConsumed: meta.ComputeUnitsConsumed,
}, nil
}