/
scval.go
284 lines (261 loc) · 7.33 KB
/
scval.go
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package xdr
import (
"bytes"
"encoding/hex"
"fmt"
"math/big"
"time"
"github.com/stellar/go/strkey"
)
func (address ScAddress) String() (string, error) {
var result string
var err error
switch address.Type {
case ScAddressTypeScAddressTypeAccount:
pubkey := address.MustAccountId().Ed25519
result, err = strkey.Encode(strkey.VersionByteAccountID, pubkey[:])
case ScAddressTypeScAddressTypeContract:
contractID := *address.ContractId
result, err = strkey.Encode(strkey.VersionByteContract, contractID[:])
default:
return "", fmt.Errorf("unfamiliar address type: %v", address.Type)
}
if err != nil {
return "", err
}
return result, nil
}
func (s ContractExecutable) Equals(o ContractExecutable) bool {
if s.Type != o.Type {
return false
}
switch s.Type {
case ContractExecutableTypeContractExecutableStellarAsset:
return true
case ContractExecutableTypeContractExecutableWasm:
return s.MustWasmHash().Equals(o.MustWasmHash())
default:
panic("unknown ScContractExecutable type: " + s.Type.String())
}
}
func (s ScError) Equals(o ScError) bool {
if s.Type != o.Type {
return false
}
switch s.Type {
case ScErrorTypeSceContract:
return *s.ContractCode == *o.ContractCode
case ScErrorTypeSceWasmVm, ScErrorTypeSceContext, ScErrorTypeSceStorage, ScErrorTypeSceObject,
ScErrorTypeSceCrypto, ScErrorTypeSceEvents, ScErrorTypeSceBudget, ScErrorTypeSceValue, ScErrorTypeSceAuth:
return *s.Code == *o.Code
default:
panic("unknown ScError type: " + s.Type.String())
}
}
func (s ScVal) Equals(o ScVal) bool {
if s.Type != o.Type {
return false
}
switch s.Type {
case ScValTypeScvBool:
return s.MustB() == o.MustB()
case ScValTypeScvVoid:
return true
case ScValTypeScvError:
return s.MustError().Equals(o.MustError())
case ScValTypeScvU32:
return s.MustU32() == o.MustU32()
case ScValTypeScvI32:
return s.MustI32() == o.MustI32()
case ScValTypeScvU64:
return s.MustU64() == o.MustU64()
case ScValTypeScvI64:
return s.MustI64() == o.MustI64()
case ScValTypeScvTimepoint:
return s.MustTimepoint() == o.MustTimepoint()
case ScValTypeScvDuration:
return s.MustDuration() == o.MustDuration()
case ScValTypeScvU128:
return s.MustU128() == o.MustU128()
case ScValTypeScvI128:
return s.MustI128() == o.MustI128()
case ScValTypeScvU256:
return s.MustU256() == o.MustU256()
case ScValTypeScvI256:
return s.MustI256() == o.MustI256()
case ScValTypeScvBytes:
return s.MustBytes().Equals(o.MustBytes())
case ScValTypeScvString:
return s.MustStr() == o.MustStr()
case ScValTypeScvSymbol:
return s.MustSym() == o.MustSym()
case ScValTypeScvVec:
return s.MustVec().Equals(o.MustVec())
case ScValTypeScvMap:
return s.MustMap().Equals(o.MustMap())
case ScValTypeScvAddress:
return s.MustAddress().Equals(o.MustAddress())
case ScValTypeScvContractInstance:
return s.MustInstance().Executable.Equals(o.MustInstance().Executable) && s.MustInstance().Storage.Equals(o.MustInstance().Storage)
case ScValTypeScvLedgerKeyContractInstance:
return true
case ScValTypeScvLedgerKeyNonce:
return s.MustNonceKey().Equals(o.MustNonceKey())
default:
panic("unknown ScVal type: " + s.Type.String())
}
}
func (s ScBytes) Equals(o ScBytes) bool {
return bytes.Equal([]byte(s), []byte(o))
}
func (s ScAddress) Equals(o ScAddress) bool {
if s.Type != o.Type {
return false
}
switch s.Type {
case ScAddressTypeScAddressTypeAccount:
sAccountID := s.MustAccountId()
return sAccountID.Equals(o.MustAccountId())
case ScAddressTypeScAddressTypeContract:
return s.MustContractId() == o.MustContractId()
default:
panic("unknown ScAddress type: " + s.Type.String())
}
}
// IsBool returns true if the given ScVal is a boolean
func (s ScVal) IsBool() bool {
return s.Type == ScValTypeScvBool
}
func (s *ScVec) Equals(o *ScVec) bool {
if s == nil && o == nil {
return true
}
if s == nil || o == nil {
return false
}
if len(*s) != len(*o) {
return false
}
for i := range *s {
if !(*s)[i].Equals((*o)[i]) {
return false
}
}
return true
}
func (s *ScMap) Equals(o *ScMap) bool {
if s == nil && o == nil {
return true
}
if s == nil || o == nil {
return false
}
if len(*s) != len(*o) {
return false
}
for i, entry := range *s {
if !entry.Equals((*o)[i]) {
return false
}
}
return true
}
func (s ScMapEntry) Equals(o ScMapEntry) bool {
return s.Key.Equals(o.Key) && s.Val.Equals(o.Val)
}
func (s ScNonceKey) Equals(o ScNonceKey) bool {
return s.Nonce == o.Nonce
}
func bigIntFromParts(hi Int64, lowerParts ...Uint64) *big.Int {
result := new(big.Int).SetInt64(int64(hi))
secondary := new(big.Int)
for _, part := range lowerParts {
result.Lsh(result, 64)
result.Or(result, secondary.SetUint64(uint64(part)))
}
return result
}
func bigUIntFromParts(hi Uint64, lowerParts ...Uint64) *big.Int {
result := new(big.Int).SetUint64(uint64(hi))
secondary := new(big.Int)
for _, part := range lowerParts {
result.Lsh(result, 64)
result.Or(result, secondary.SetUint64(uint64(part)))
}
return result
}
func (s ScVal) String() string {
switch s.Type {
case ScValTypeScvBool:
return fmt.Sprintf("%t", *s.B)
case ScValTypeScvVoid:
return "(void)"
case ScValTypeScvError:
switch s.Error.Type {
case ScErrorTypeSceContract:
return fmt.Sprintf("%s(%d)", s.Error.Type, *s.Error.ContractCode)
case ScErrorTypeSceWasmVm, ScErrorTypeSceContext, ScErrorTypeSceStorage, ScErrorTypeSceObject,
ScErrorTypeSceCrypto, ScErrorTypeSceEvents, ScErrorTypeSceBudget, ScErrorTypeSceValue, ScErrorTypeSceAuth:
return fmt.Sprintf("%s(%s)", s.Error.Type, *s.Error.Code)
}
case ScValTypeScvU32:
return fmt.Sprintf("%d", *s.U32)
case ScValTypeScvI32:
return fmt.Sprintf("%d", *s.I32)
case ScValTypeScvU64:
return fmt.Sprintf("%d", *s.U64)
case ScValTypeScvI64:
return fmt.Sprintf("%d", *s.I64)
case ScValTypeScvTimepoint:
return time.Unix(int64(*s.Timepoint), 0).String()
case ScValTypeScvDuration:
return fmt.Sprintf("%d", *s.Duration)
case ScValTypeScvU128:
return bigUIntFromParts(s.U128.Hi, s.U128.Lo).String()
case ScValTypeScvI128:
return bigIntFromParts(s.I128.Hi, s.I128.Lo).String()
case ScValTypeScvU256:
return bigUIntFromParts(s.U256.HiHi, s.U256.HiLo, s.U256.LoHi, s.U256.LoLo).String()
case ScValTypeScvI256:
return bigIntFromParts(s.I256.HiHi, s.I256.HiLo, s.I256.LoHi, s.I256.LoLo).String()
case ScValTypeScvBytes:
return hex.EncodeToString(*s.Bytes)
case ScValTypeScvString:
return string(*s.Str)
case ScValTypeScvSymbol:
return string(*s.Sym)
case ScValTypeScvVec:
if *s.Vec == nil {
return "nil"
}
return fmt.Sprintf("%s", **s.Vec)
case ScValTypeScvMap:
if *s.Map == nil {
return "nil"
}
return fmt.Sprintf("%v", **s.Map)
case ScValTypeScvAddress:
str, err := s.Address.String()
if err != nil {
return err.Error()
}
return str
case ScValTypeScvContractInstance:
result := ""
switch s.Instance.Executable.Type {
case ContractExecutableTypeContractExecutableStellarAsset:
result = "(StellarAssetContract)"
case ContractExecutableTypeContractExecutableWasm:
result = hex.EncodeToString(s.Instance.Executable.WasmHash[:])
}
if s.Instance.Storage != nil && len(*s.Instance.Storage) > 0 {
result += fmt.Sprintf(": %v", *s.Instance.Storage)
}
return result
case ScValTypeScvLedgerKeyContractInstance:
return "(LedgerKeyContractInstance)"
case ScValTypeScvLedgerKeyNonce:
return fmt.Sprintf("%X", *s.NonceKey)
}
return "unknown"
}