51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
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package shreder
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import (
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"encoding/binary"
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"fmt"
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"github.com/gagliardetto/solana-go"
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"github.com/shopspring/decimal"
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)
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var tradewizProgramID = solana.MustPublicKeyFromBase58("B3jytJa6Tzpn4Ly7GNnDm3dMGqUin5aMRm5aPsJGU5G7")
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func parseTradewizInstruction(tx VersionedTransaction, instructionIndex int) (TxSignalBatch, error) {
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if instructionIndex >= len(tx.Instructions) {
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return nil, fmt.Errorf("instruction index out of bounds")
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}
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ix := tx.Instructions[instructionIndex]
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if len(ix.Data) < 9 {
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return nil, fmt.Errorf("data too short for tradewiz buy args, len=%d", len(ix.Data))
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}
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if len(ix.Accounts) < 3 {
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return nil, fmt.Errorf("accounts too short")
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}
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// data format: 0x00 + u64(wsol amount) + u64(...)
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wsolAmount := binary.LittleEndian.Uint64(ix.Data[1:9])
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mint, err := tx.GetAccount(int(ix.Accounts[2]))
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if err != nil {
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return nil, err
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}
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return TxSignalBatch{&TxSignal{
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TxHash: tx.Signatures[0].String(),
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Label: "tradewiz",
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Maker: tx.StaticAccountKeys[0].String(),
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Token0Address: mint.String(),
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Token1Address: wsolMint,
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Token0Amount: decimal.Zero,
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Token1Amount: formatSolAmount(wsolAmount),
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Program: "Pump",
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Event: "buy",
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IsToken2022: false,
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IsMayhemMode: false,
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ExactSOL: true,
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Block: tx.Block,
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Token0AmountUint64: 0,
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Token1AmountUint64: wsolAmount,
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}}, nil
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}
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