Files
pump-parser/parser.go
thloyi d8e8d7ba89 1
2025-11-27 16:39:01 +08:00

114 lines
2.9 KiB
Go

package pump_parser
import (
"errors"
"github.com/gagliardetto/solana-go"
"github.com/shopspring/decimal"
)
var swapPrograms = map[solana.PublicKey]swapParser{
pumpAmmProgram: pumpAmmParser,
pumpProgram: pumpParser,
}
var actionPrograms = map[solana.PublicKey]actionParser{
systemProgram: systemParser,
budgGetProgram: budgetParser,
}
func ParseRawTx(rawTx *RawTx) (*Tx, error) {
tx := &Tx{
rawTx: rawTx,
}
err := tx.Parser()
if err != nil {
return nil, err
}
return tx, nil
}
func (tx *Tx) Parser() error {
if tx.rawTx == nil {
return errors.New("rawTx is nil")
}
accountList := tx.rawTx.getAccountList()
tx.TxHash = (*[64]byte)((tx.rawTx.Transaction.Signatures[0][:]))
tx.Signer = tx.rawTx.GetSigner()
tx.Block = tx.rawTx.Slot
tx.BlockIndex = uint64(tx.rawTx.IndexWithinBlock)
tx.BlockAt = tx.rawTx.BlockTime
tx.BeforeSolBalance = decimal.NewFromUint64(tx.rawTx.Meta.PreBalances[0]).Div(decimal.NewFromInt(1e9))
tx.AfterSOLBalance = decimal.NewFromUint64(tx.rawTx.Meta.PostBalances[0]).Div(decimal.NewFromInt(1e9))
tx.Token = make(map[solana.PublicKey]TokenMeta)
var innersMap = make(map[int]InnerInstructions)
for _, inner := range tx.rawTx.Meta.InnerInstructions {
innersMap[inner.Index] = inner
}
for i, instr := range tx.rawTx.Transaction.Message.Instructions {
programAccount := accountList[instr.ProgramIDIndex]
if p, exists := swapPrograms[programAccount]; exists {
swaps, _, err := p(tx, instr, innersMap[i], [2]uint{uint(i), uint(0)})
if err != nil {
if errors.Is(err, InstructionIgnoredError) {
continue
}
return err
}
tx.Swaps = append(tx.Swaps, swaps...)
} else if p, exists := actionPrograms[programAccount]; exists {
_, err := p(tx, instr, innersMap[i], [2]uint{uint(i), uint(0)})
if err != nil {
if errors.Is(err, InstructionIgnoredError) {
continue
}
return err
}
} else {
ii := i
// unknown program, parser inner instructions
innerLength := len(innersMap[i].Instructions)
for j := 1; j <= innerLength; {
innerInstr := innersMap[i].Instructions[j-1]
innerProgramAccount := accountList[innerInstr.ProgramIDIndex]
if p, exists := swapPrograms[innerProgramAccount]; exists {
swaps, offset, err := p(tx, innerInstr, innersMap[i], [2]uint{uint(i), uint(j)})
if err != nil {
if errors.Is(err, InstructionIgnoredError) {
j = int(offset[1])
continue
}
return err
}
tx.Swaps = append(tx.Swaps, swaps...)
j = int(offset[1])
ii = int(offset[0])
} else if p, exists := actionPrograms[innerProgramAccount]; exists {
offset, err := p(tx, innerInstr, innersMap[i], [2]uint{uint(i), uint(j)})
if err != nil {
if errors.Is(err, InstructionIgnoredError) {
j = int(offset[1])
continue
}
return err
}
j = int(offset[1])
ii = int(offset[0])
} else {
j++
}
if j > innerLength || ii > i {
break
}
}
}
}
return nil
}