fabtoken

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Versions in this module

v0

v0.5.0

Jul 17, 2025

v0.4.0

Jan 7, 2025

Changes in this version

+ func IssueValidate(ctx *Context) error

+ type ActionDeserializer struct

+ func (a *ActionDeserializer) DeserializeActions(tr *driver.TokenRequest) ([]*IssueAction, []*TransferAction, error)

+ type AuditorService struct

+ func NewAuditorService() *AuditorService

+ func (s *AuditorService) AuditorCheck(ctx context.Context, request *driver.TokenRequest, ...) error

type IssueAction

+ func (i *IssueAction) IsGraphHiding() bool

+ type IssueService struct

+ Deserializer driver.Deserializer

+ PublicParamsManager driver.PublicParamsManager

+ WalletService driver.WalletService

+ func NewIssueService(publicParamsManager driver.PublicParamsManager, ...) *IssueService

+ func (s *IssueService) DeserializeIssueAction(raw []byte) (driver.IssueAction, error)

+ func (s *IssueService) Issue(ctx context.Context, issuerIdentity driver.Identity, tokenType token2.Type, ...) (driver.IssueAction, *driver.IssueMetadata, error)

+ func (s *IssueService) VerifyIssue(tr driver.IssueAction, tokenInfos [][]byte) error

type Output

+ func (t *Output) Deserialize(bytes []byte) error

+ func (t *Output) GetOwner() []byte

type TokenVault

+ Balance func(id string, tokenType token.Type) (uint64, error)

+ ListHistoryIssuedTokens func() (*token.IssuedTokens, error)

+ UnspentTokensIteratorBy func(ctx context.Context, id string, tokenType token.Type) (driver.UnspentTokensIterator, error)

+ type TokensService struct

+ OutputTokenFormat token2.Format

+ func NewTokensService(pp *PublicParams) (*TokensService, error)

+ func (s *TokensService) Deobfuscate(output []byte, outputMetadata []byte) (*token2.Token, driver.Identity, token2.Format, error)

+ func (s *TokensService) SupportedTokenFormats() []token2.Format

type TransferAction

+ InputTokens []*Output

+ func (t *TransferAction) GetSerialNumbers() []string

+ func (t *TransferAction) GetSerializedInputs() ([][]byte, error)

+ type TransferService struct

+ Deserializer driver.Deserializer

+ Logger logging.Logger

+ PublicParametersManager common.PublicParametersManager[*PublicParams]

+ TokenLoader TokenLoader

+ WalletService driver.WalletService

+ func NewTransferService(logger logging.Logger, ...) *TransferService

+ func (s *TransferService) DeserializeTransferAction(raw []byte) (driver.TransferAction, error)

+ func (s *TransferService) Transfer(ctx context.Context, _ string, _ driver.OwnerWallet, tokenIDs []*token.ID, ...) (driver.TransferAction, *driver.TransferMetadata, error)

+ func (s *TransferService) VerifyTransfer(tr driver.TransferAction, outputsMetadata [][]byte) error

+ type ValidateIssueFunc = common.ValidateIssueFunc[*PublicParams, *Output, *TransferAction, *IssueAction, driver.Deserializer]

+ type WalletFactory struct

+ func NewWalletFactory(logger logging.Logger, identityProvider driver.IdentityProvider, ...) *WalletFactory

+ func (w *WalletFactory) NewWallet(role driver.IdentityRole, walletRegistry common.WalletRegistry, ...) (driver.Wallet, error)

v0.3.0

Oct 5, 2023

Changes in this version

+ type Deserializer struct

+ func (d *Deserializer) GetAuditorVerifier(id view.Identity) (driver.Verifier, error)

+ func (d *Deserializer) GetIssuerVerifier(id view.Identity) (driver.Verifier, error)

+ func (d *Deserializer) GetOwnerMatcher(raw []byte) (driver.Matcher, error)

+ func (d *Deserializer) GetOwnerVerifier(id view.Identity) (driver.Verifier, error)

+ type EnrollmentService struct

+ func (e *EnrollmentService) GetEnrollmentID(auditInfo []byte) (string, error)

+ func (e *EnrollmentService) GetRevocationHandler(auditInfo []byte) (string, error)

type KVS

+ GetByPartialCompositeID func(prefix string, attrs []string) (kvs.Iterator, error)

type PublicParams

+ func (pp *PublicParams) String() string

type Service

+ func (s *Service) GetTokenInfo(meta *driver.TokenRequestMetadata, target []byte) ([]byte, error)

+ type WalletService struct

+ AuditorWalletsRegistry *identity.WalletsRegistry

+ Deserializer driver.Deserializer

+ IssuerWalletsRegistry *identity.WalletsRegistry

+ OwnerWalletsRegistry *identity.WalletsRegistry

+ SP view2.ServiceProvider

+ WalletServiceBacked WalletServiceBacked

+ func NewWalletService(tmsID token2.TMSID, SP view2.ServiceProvider, ...) *WalletService

+ func (s *WalletService) AuditorWallet(id string) (driver.AuditorWallet, error)

+ func (s *WalletService) AuditorWalletByIdentity(identity view.Identity) (driver.AuditorWallet, error)

+ func (s *WalletService) CertifierWallet(id string) (driver.CertifierWallet, error)

+ func (s *WalletService) CertifierWalletByIdentity(identity view.Identity) (driver.CertifierWallet, error)

+ func (s *WalletService) GetAuditInfo(id view.Identity) ([]byte, error)

+ func (s *WalletService) GetEnrollmentID(auditInfo []byte) (string, error)

+ func (s *WalletService) GetRevocationHandler(auditInfo []byte) (string, error)

+ func (s *WalletService) IssuerWallet(id string) (driver.IssuerWallet, error)

+ func (s *WalletService) IssuerWalletByIdentity(identity view.Identity) (driver.IssuerWallet, error)

+ func (s *WalletService) OwnerWallet(id string) (driver.OwnerWallet, error)

+ func (s *WalletService) OwnerWalletByID(id interface{}) (driver.OwnerWallet, error)

+ func (s *WalletService) OwnerWalletByIdentity(identity view.Identity) (driver.OwnerWallet, error)

+ func (s *WalletService) OwnerWalletIDs() ([]string, error)

+ func (s *WalletService) RegisterAuditInfo(id view.Identity, auditInfo []byte) error

+ func (s *WalletService) RegisterIssuerWallet(id string, path string) error

+ func (s *WalletService) RegisterOwnerWallet(id string, path string) error

+ func (s *WalletService) RegisterRecipientIdentity(id view.Identity, auditInfo []byte, metadata []byte) error

+ func (s *WalletService) SpentIDs(ids ...*token.ID) ([]string, error)

+ func (s *WalletService) Wallet(identity view.Identity) driver.Wallet

+ type WalletServiceBacked interface

+ ListHistoryIssuedTokens func() (*token.IssuedTokens, error)

+ UnspentTokensIteratorBy func(id, tokenType string) (driver.UnspentTokensIterator, error)

v0.2.0

Dec 7, 2022

Changes in this version

type PublicParamsLoader

+ PPLabel string

+ PublicParamsFetcher driver.PublicParamsFetcher

v0.1.0

Nov 16, 2022

Changes in this version

+ const DefaultPrecision

+ const PublicParameters

+ func NewDeserializer() *deserializer

+ func NewEnrollmentIDDeserializer() *enrollmentService

+ func RetrieveInputsFromTransferAction(t *TransferAction, ledger driver.Ledger) ([]*token2.Token, error)

+ func TransferBalanceValidate(ctx *Context) error

+ func TransferHTLCValidate(ctx *Context) error

+ func TransferSignatureValidate(ctx *Context) error

+ func UnmarshalIssueTransferActions(tr *driver.TokenRequest) ([]*IssueAction, []*TransferAction, error)

+ type Context struct

+ Action *TransferAction

+ Deserializer driver.Deserializer

+ InputTokens []*token.Token

+ Ledger driver.Ledger

+ MetadataCounter map[string]int

+ PP *PublicParams

+ SignatureProvider driver.SignatureProvider

+ Signatures [][]byte

+ func (c *Context) CountMetadataKey(key string)

+ type IssueAction struct

+ Issuer view.Identity

+ Metadata map[string][]byte

+ Outputs []*Output

+ func UnmarshalIssueActions(raw [][]byte) ([]*IssueAction, error)

+ func (i *IssueAction) Deserialize(raw []byte) error

+ func (i *IssueAction) GetIssuer() []byte

+ func (i *IssueAction) GetMetadata() map[string][]byte

+ func (i *IssueAction) GetOutputs() []driver.Output

+ func (i *IssueAction) GetSerializedOutputs() ([][]byte, error)

+ func (i *IssueAction) IsAnonymous() bool

+ func (i *IssueAction) NumOutputs() int

+ func (i *IssueAction) Serialize() ([]byte, error)

+ type KVS interface

+ Exists func(id string) bool

+ Get func(id string, state interface{}) error

+ Put func(id string, state interface{}) error

+ type Output struct

+ Output *token.Token

+ func (t *Output) IsRedeem() bool

+ func (t *Output) Serialize() ([]byte, error)

+ type OutputMetadata struct

+ Issuer []byte

+ func (m *OutputMetadata) Deserialize(b []byte) error

+ func (m *OutputMetadata) Serialize() ([]byte, error)

+ type PublicParametersManager interface

+ PublicParams func() *PublicParams

+ type PublicParams struct

+ Auditor []byte

+ Issuers [][]byte

+ Label string

+ MaxToken uint64

+ QuantityPrecision uint64

+ func NewPublicParamsFromBytes(raw []byte, label string) (*PublicParams, error)

+ func Setup() (*PublicParams, error)

+ func (pp *PublicParams) AddAuditor(auditor view.Identity)

+ func (pp *PublicParams) AddIssuer(issuer view.Identity)

+ func (pp *PublicParams) AuditorIdentity() view.Identity

+ func (pp *PublicParams) Auditors() []view.Identity

+ func (pp *PublicParams) Bytes() ([]byte, error)

+ func (pp *PublicParams) CertificationDriver() string

+ func (pp *PublicParams) ComputeMaxTokenValue() uint64

+ func (pp *PublicParams) Deserialize(raw []byte) error

+ func (pp *PublicParams) GraphHiding() bool

+ func (pp *PublicParams) Identifier() string

+ func (pp *PublicParams) MaxTokenValue() uint64

+ func (pp *PublicParams) Precision() uint64

+ func (pp *PublicParams) Serialize() ([]byte, error)

+ func (pp *PublicParams) TokenDataHiding() bool

+ func (pp *PublicParams) Validate() error

+ type PublicParamsLoader interface

+ Fetch func() ([]byte, error)

+ FetchParams func() (*PublicParams, error)

+ type PublicParamsManager struct

+ func NewPublicParamsManager(publicParamsLoader PublicParamsLoader) *PublicParamsManager

+ func NewPublicParamsManagerFromParams(pp *PublicParams) *PublicParamsManager

+ func (v *PublicParamsManager) AuditorIdentity() view.Identity

+ func (v *PublicParamsManager) Fetch() ([]byte, error)

+ func (v *PublicParamsManager) Issuers() [][]byte

+ func (v *PublicParamsManager) NewCertifierKeyPair() ([]byte, []byte, error)

+ func (v *PublicParamsManager) PublicParameters() driver.PublicParameters

+ func (v *PublicParamsManager) PublicParams() *PublicParams

+ func (v *PublicParamsManager) SerializePublicParameters() ([]byte, error)

+ func (v *PublicParamsManager) Update() error

+ func (v *PublicParamsManager) Validate() error

+ type QueryEngine interface

+ IsMine func(id *token2.ID) (bool, error)

+ ListAuditTokens func(ids ...*token2.ID) ([]*token2.Token, error)

+ ListHistoryIssuedTokens func() (*token2.IssuedTokens, error)

+ PublicParams func() ([]byte, error)

+ UnspentTokensIteratorBy func(id, typ string) (driver.UnspentTokensIterator, error)

+ type Service struct

+ AuditorWalletsRegistry *identity.WalletsRegistry

+ CM config.Manager

+ Deserializer driver.Deserializer

+ IP driver.IdentityProvider

+ IssuerWalletsRegistry *identity.WalletsRegistry

+ OwnerWalletsRegistry *identity.WalletsRegistry

+ PPM PublicParametersManager

+ QE QueryEngine

+ SP view2.ServiceProvider

+ TMSID token.TMSID

+ TokenLoader TokenLoader

+ func NewService(sp view2.ServiceProvider, tmsID token.TMSID, ppm PublicParametersManager, ...) *Service

+ func (s *Service) AuditorCheck(tokenRequest *driver.TokenRequest, ...) error

+ func (s *Service) AuditorWallet(id string) driver.AuditorWallet

+ func (s *Service) AuditorWalletByIdentity(id view.Identity) driver.AuditorWallet

+ func (s *Service) CertifierWallet(id string) driver.CertifierWallet

+ func (s *Service) CertifierWalletByIdentity(id view.Identity) driver.CertifierWallet

+ func (s *Service) Certify(wallet driver.CertifierWallet, ids []*token2.ID, tokens [][]byte, ...) ([][]byte, error)

+ func (s *Service) ConfigManager() config.Manager

+ func (s *Service) DeserializeIssueAction(raw []byte) (driver.IssueAction, error)

+ func (s *Service) DeserializeToken(outputRaw []byte, tokenInfoRaw []byte) (*token2.Token, view.Identity, error)

+ func (s *Service) DeserializeTransferAction(raw []byte) (driver.TransferAction, error)

+ func (s *Service) GetAuditInfo(id view.Identity) ([]byte, error)

+ func (s *Service) GetAuditorVerifier(id view.Identity) (driver.Verifier, error)

+ func (s *Service) GetEnrollmentID(auditInfo []byte) (string, error)

+ func (s *Service) GetIssuerVerifier(id view.Identity) (driver.Verifier, error)

+ func (s *Service) GetOwnerMatcher(raw []byte) (driver.Matcher, error)

+ func (s *Service) GetOwnerVerifier(id view.Identity) (driver.Verifier, error)

+ func (s *Service) HistoryIssuedTokens() (*token2.IssuedTokens, error)

+ func (s *Service) IdentityProvider() driver.IdentityProvider

+ func (s *Service) Issue(issuerIdentity view.Identity, typ string, values []uint64, owners [][]byte, ...) (driver.IssueAction, [][]byte, view.Identity, error)

+ func (s *Service) IssuerWallet(id string) driver.IssuerWallet

+ func (s *Service) IssuerWalletByIdentity(id view.Identity) driver.IssuerWallet

+ func (s *Service) MarshalTokenRequestToSign(request *driver.TokenRequest, meta *driver.TokenRequestMetadata) ([]byte, error)

+ func (s *Service) NewCertificationRequest(ids []*token2.ID) ([]byte, error)

+ func (s *Service) OwnerWallet(walletID string) driver.OwnerWallet

+ func (s *Service) OwnerWalletByID(id interface{}) driver.OwnerWallet

+ func (s *Service) OwnerWalletByIdentity(identity view.Identity) driver.OwnerWallet

+ func (s *Service) PublicParamsManager() driver.PublicParamsManager

+ func (s *Service) RegisterAuditInfo(id view.Identity, auditInfo []byte) error

+ func (s *Service) RegisterIssuerWallet(id string, path string) error

+ func (s *Service) RegisterOwnerWallet(id string, path string) error

+ func (s *Service) RegisterRecipientIdentity(id view.Identity, auditInfo []byte, metadata []byte) error

+ func (s *Service) SpentIDs(ids ...*token.ID) ([]string, error)

+ func (s *Service) Transfer(txID string, wallet driver.OwnerWallet, ids []*token2.ID, ...) (driver.TransferAction, *driver.TransferMetadata, error)

+ func (s *Service) Validator() driver.Validator

+ func (s *Service) VerifyCertifications(ids []*token2.ID, certifications [][]byte) error

+ func (s *Service) VerifyIssue(tr driver.IssueAction, tokenInfos [][]byte) error

+ func (s *Service) VerifyTransfer(tr driver.TransferAction, outputsMetadata [][]byte) error

+ func (s *Service) Wallet(identity view.Identity) driver.Wallet

+ type TokenLoader interface

+ GetTokens func(ids []*token2.ID) ([]string, []*token2.Token, error)

+ type TokenVault interface

+ PublicParams func() ([]byte, error)

+ type TransferAction struct

+ Inputs []string

+ Metadata map[string][]byte

+ Outputs []*Output

+ func UnmarshalTransferActions(raw [][]byte) ([]*TransferAction, error)

+ func (t *TransferAction) Deserialize(raw []byte) error

+ func (t *TransferAction) GetInputs() ([]string, error)

+ func (t *TransferAction) GetMetadata() map[string][]byte

+ func (t *TransferAction) GetOutputs() []driver.Output

+ func (t *TransferAction) GetSerializedOutputs() ([][]byte, error)

+ func (t *TransferAction) IsGraphHiding() bool

+ func (t *TransferAction) IsRedeemAt(index int) bool

+ func (t *TransferAction) NumOutputs() int

+ func (t *TransferAction) Serialize() ([]byte, error)

+ func (t *TransferAction) SerializeOutputAt(index int) ([]byte, error)

+ type ValidateTransferFunc func(ctx *Context) error

+ type Validator struct

+ func NewValidator(pp *PublicParams, deserializer driver.Deserializer, ...) (*Validator, error)

+ func (v *Validator) UnmarshalActions(raw []byte) ([]interface{}, error)

+ func (v *Validator) VerifyAuditorSignature(signatureProvider driver.SignatureProvider) error

+ func (v *Validator) VerifyIssue(issue driver.IssueAction) error

+ func (v *Validator) VerifyIssues(issues []*IssueAction, signatureProvider driver.SignatureProvider) error

+ func (v *Validator) VerifyTokenRequest(ledger driver.Ledger, signatureProvider driver.SignatureProvider, ...) ([]interface{}, error)

+ func (v *Validator) VerifyTokenRequestFromRaw(getState driver.GetStateFnc, binding string, raw []byte) ([]interface{}, error)

+ func (v *Validator) VerifyTransfer(ledger driver.Ledger, inputTokens []*token2.Token, tr driver.TransferAction, ...) error

+ func (v *Validator) VerifyTransfers(ledger driver.Ledger, transferActions []*TransferAction, ...) error

+ type VaultPublicParamsLoader struct

+ PPLabel string

+ PublicParamsFetcher driver.PublicParamsFetcher

+ func (s *VaultPublicParamsLoader) Fetch() ([]byte, error)

+ func (s *VaultPublicParamsLoader) FetchParams() (*PublicParams, error)

+ type VaultTokenLoader struct

+ TokenVault driver.QueryEngine

+ func (s *VaultTokenLoader) GetTokens(ids []*token.ID) ([]string, []*token.Token, error)

+ type VerifierDES interface

+ DeserializeVerifier func(id view.Identity) (driver.Verifier, error)

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