المعاملات

func (s *LiteSVM) SendLegacyTransaction(txBytes []byte) (*TxOutcome, error)

out, err := svm.SendLegacyTransaction(txBytes)
if err != nil {
    t.Fatal(err)
}
defer out.Close()

if !out.IsOk() {
    t.Fatalf("tx failed: %s\nlogs: %v", out.Error(), out.Logs())
}

t.Logf("signature: %s", out.Signature())
t.Logf("compute:   %d CU", out.ComputeUnits())
t.Logf("fee:       %d lamports", out.Fee())

func (s *LiteSVM) SendVersionedTransaction(txBytes []byte) (*TxOutcome, error)

func (s *LiteSVM) SimulateLegacyTransaction(txBytes []byte) (*TxOutcome, error)
func (s *LiteSVM) SimulateVersionedTransaction(txBytes []byte) (*TxOutcome, error)

sim, err := svm.SimulateLegacyTransaction(txBytes)
if err != nil {
    t.Fatal(err)
}
defer sim.Close()

if !sim.IsOk() {
    t.Fatalf("sim failed: %s", sim.Error())
}

t.Logf("would use %d compute units", sim.ComputeUnits())
t.Logf("logs: %v", sim.Logs())

posts, err := sim.PostAccounts()
if err != nil {
    t.Fatal(err)
}
for _, p := range posts {
    t.Logf("%s: %d lamports", p.Address, p.Account.Lamports())
    p.Account.Close()
}

type CompiledInstruction struct {
    ProgramIDIndex uint8
    Accounts       []byte // indices into the transaction's account table
    Data           []byte
}

type InnerInstruction struct {
    Instruction CompiledInstruction
    StackHeight uint8 // 1 for top-level, higher for deeper CPIs
}

type PostAccount struct {
    Address solana.PublicKey
    Account *Account // close this when done
}

func (s *LiteSVM) LatestBlockhash() (solana.Hash, error)

blockhash, err := svm.LatestBlockhash()
if err != nil {
    t.Fatal(err)
}

tx, _ := solana.NewTransaction(
    []solana.Instruction{ix},
    blockhash,
    solana.TransactionPayer(payer),
)

func (s *LiteSVM) ExpireBlockhash() error

bh1, err := svm.LatestBlockhash()
if err != nil {
    t.Fatal(err)
}
if err := svm.ExpireBlockhash(); err != nil {
    t.Fatal(err)
}
bh2, err := svm.LatestBlockhash()
if err != nil {
    t.Fatal(err)
}
// bh1 != bh2
_, _ = bh1, bh2

// Cap history at 100 entries.
if err := svm.SetTransactionHistory(100); err != nil {
    t.Fatal(err)
}

// Disable dedup entirely (allows replaying identical transactions).
if err := svm.SetTransactionHistory(0); err != nil {
    t.Fatal(err)
}

prior := svm.GetTransaction(sig) // nil if unknown
if prior != nil {
    defer prior.Close()
    t.Logf("found: %s, fee=%d", prior.Signature(), prior.Fee())
}

func BuildTransferTx(
    payerSeed [32]byte,
    to solana.PublicKey,
    lamports uint64,
    blockhash solana.Hash,
) ([]byte, error)

var seed [32]byte
copy(seed[:], somePayerSeedBytes)

bh, err := svm.LatestBlockhash()
if err != nil {
    t.Fatal(err)
}
txBytes, err := litesvm.BuildTransferTx(seed, recipient, 1_000_000_000, bh)
if err != nil {
    t.Fatal(err)
}

out, err := svm.SendLegacyTransaction(txBytes)
if err != nil {
    t.Fatal(err)
}
defer out.Close()