token

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Versions in this module

v0

v0.3.0

Oct 5, 2023

Changes in this version

type Input

+ RevocationHandler string

type InputStream

+ func (is *InputStream) RevocationHandles() []string

type Issue

+ ExtraSigners []view.Identity

type Output

+ RevocationHandler string

type OutputStream

+ func (is *OutputStream) RevocationHandles() []string

+ func (o *OutputStream) RevocationHandlers() []string

type OwnerWallet

+ func (o *OwnerWallet) RegisterRecipient(identity view.Identity, auditInfo []byte, metadata []byte) error

+ type PublicParameters struct

+ func (c *PublicParameters) Auditors() []view.Identity

+ func (c *PublicParameters) CertificationDriver() string

+ func (c *PublicParameters) GraphHiding() bool

+ func (c *PublicParameters) Identifier() string

+ func (c *PublicParameters) MaxTokenValue() uint64

+ func (c *PublicParameters) Precision() uint64

+ func (c *PublicParameters) Serialize() ([]byte, error)

+ func (c *PublicParameters) TokenDataHiding() bool

type PublicParametersManager

+ func (c *PublicParametersManager) PublicParameters() *PublicParameters

type QueryEngine

+ NumRetries int

+ RetryDelay time.Duration

+ func NewQueryEngine(qe driver.QueryEngine, numRetries int, retryDelay time.Duration) *QueryEngine

+ type RecipientData struct

+ AuditInfo []byte

+ Identity view.Identity

+ Metadata []byte

type Request

+ func (r *Request) InputsAndOutputs() (*InputStream, *OutputStream, error)

+ func (r *Request) IssueSigners() []view.Identity

+ func (r *Request) PutSignatures(sigmas map[string][]byte)

+ func (r *Request) TransferSigners() []view.Identity

type TMS

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

type TransferOption

+ func WithRestRecipientIdentity(recipientData *RecipientData) TransferOption

type TransferOptions

+ RestRecipientIdentity *RecipientData

type Validator

+ func (c *Validator) UnmarshallAndVerifyWithMetadata(ledger Ledger, anchor string, raw []byte) ([]interface{}, map[string][]byte, error)

type WalletManager

+ func NewWalletManager(sp view.ServiceProvider, network string, channel string, namespace string, ...) (*WalletManager, error)

+ func (wm *WalletManager) GetRevocationHandle(identity view.Identity) (string, error)

+ func (wm *WalletManager) OwnerWalletIDs() ([]string, error)

v0.2.0

Dec 7, 2022

Changes in this version

type ConfigManager

+ func (m *ConfigManager) IsSet(key string) bool

+ func (m *ConfigManager) UnmarshalKey(key string, rawVal interface{}) error

type PublicParametersManager

+ func (c *PublicParametersManager) SetPublicParameters(raw []byte) error

v0.1.0

Nov 16, 2022

Changes in this version

+ const TransferMetadataPrefix

+ var SelectorInsufficientFunds = errors.New("insufficient funds")

+ var SelectorSufficientButLockedFunds = errors.New("sufficient but partially locked funds")

+ var SelectorSufficientButNotCertifiedFunds = errors.New("sufficient but partially not certified")

+ var SelectorSufficientFundsButConcurrencyIssue = errors.New("sufficient funds but concurrency issue")

+ func CompileListTokensOption(opts ...ListTokensOption) (*driver.ListTokensOptions, error)

+ func NewServicesFromPublicParams(params []byte) (*PublicParametersManager, *Validator, error)

+ type AuditRecord struct

+ Anchor string

+ Inputs *InputStream

+ Outputs *OutputStream

+ type AuditorWallet struct

+ func (a *AuditorWallet) GetAuditorIdentity() (view.Identity, error)

+ func (a *AuditorWallet) GetSigner(id view.Identity) (driver.Signer, error)

+ type CertificationClient struct

+ func (c *CertificationClient) IsCertified(id *token2.ID) bool

+ func (c *CertificationClient) RequestCertification(ids ...*token2.ID) error

+ type CertificationClientProvider interface

+ New func(network string, channel string, namespace string, driver string) (driver.CertificationClient, error)

+ type CertificationManager struct

+ func (c *CertificationManager) Certify(wallet *CertifierWallet, ids []*token2.ID, tokens [][]byte, request []byte) ([][]byte, error)

+ func (c *CertificationManager) NewCertificationRequest(ids []*token2.ID) ([]byte, error)

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

+ type CertifierWallet struct

+ func (a *CertifierWallet) GetCertifierIdentity() (view.Identity, error)

+ func (a *CertifierWallet) GetSigner(id view.Identity) (driver.Signer, error)

+ type ConfigManager struct

+ func (m *ConfigManager) Certifiers() []string

+ type Input struct

+ ActionIndex int

+ EnrollmentID string

+ Id *token2.ID

+ Owner view.Identity

+ OwnerAuditInfo []byte

+ Quantity token2.Quantity

+ Type string

+ type InputStream struct

+ func NewInputStream(qs QueryService, inputs []*Input, precision uint64) *InputStream

+ func (is *InputStream) At(i int) *Input

+ func (is *InputStream) ByEnrollmentID(id string) *InputStream

+ func (is *InputStream) ByType(tokenType string) *InputStream

+ func (is *InputStream) Count() int

+ func (is *InputStream) EnrollmentIDs() []string

+ func (is *InputStream) Filter(f func(t *Input) bool) *InputStream

+ func (is *InputStream) IDs() []*token2.ID

+ func (is *InputStream) IsAnyMine() bool

+ func (is *InputStream) Owners() *OwnerStream

+ func (is *InputStream) String() string

+ func (is *InputStream) Sum() *big.Int

+ func (is *InputStream) TokenTypes() []string

+ type Issue struct

+ Issuer view.Identity

+ Receivers []view.Identity

+ type IssueAction struct

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

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

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

+ func (i *IssueAction) IsAnonymous() bool

+ func (i *IssueAction) NumOutputs() int

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

+ type IssueMetadata struct

+ func (m *IssueMetadata) IsOutputAbsent(j int) bool

+ func (m *IssueMetadata) Match(action *IssueAction) error

+ type IssueOption func(*IssueOptions) error

+ func WithIssueAttribute(attr, value interface{}) IssueOption

+ type IssueOptions struct

+ Attributes map[interface{}]interface{}

+ type IssuerWallet struct

+ func (i *IssuerWallet) GetIssuerIdentity(tokenType string) (view.Identity, error)

+ func (i *IssuerWallet) GetSigner(identity view.Identity) (Signer, error)

+ func (i *IssuerWallet) ListIssuedTokens(opts ...ListTokensOption) (*token.IssuedTokens, error)

+ type Ledger interface

+ GetState func(key string) ([]byte, error)

+ type ListTokensOption func(*ListTokensOptions) error

+ func WithType(tokenType string) ListTokensOption

+ type ListTokensOptions struct

+ TokenType string

+ type ManagementService struct

+ func GetManagementService(sp ServiceProvider, opts ...ServiceOption) *ManagementService

+ func (t *ManagementService) CertificationClient() *CertificationClient

+ func (t *ManagementService) CertificationManager() *CertificationManager

+ func (t *ManagementService) Channel() string

+ func (t *ManagementService) ConfigManager() *ConfigManager

+ func (t *ManagementService) ID() TMSID

+ func (t *ManagementService) Namespace() string

+ func (t *ManagementService) Network() string

+ func (t *ManagementService) NewMetadataFromBytes(raw []byte) (*Metadata, error)

+ func (t *ManagementService) NewRequest(id string) (*Request, error)

+ func (t *ManagementService) NewRequestFromBytes(anchor string, actions []byte, meta []byte) (*Request, error)

+ func (t *ManagementService) PublicParametersManager() *PublicParametersManager

+ func (t *ManagementService) SelectorManager() SelectorManager

+ func (t *ManagementService) SigService() *SignatureService

+ func (t *ManagementService) String() string

+ func (t *ManagementService) Validator() *Validator

+ func (t *ManagementService) Vault() *Vault

+ func (t *ManagementService) WalletManager() *WalletManager

+ type ManagementServiceProvider struct

+ func GetManagementServiceProvider(sp ServiceProvider) *ManagementServiceProvider

+ func NewManagementServiceProvider(sp ServiceProvider, tmsProvider driver.TokenManagerServiceProvider, ...) *ManagementServiceProvider

+ func (p *ManagementServiceProvider) GetManagementService(opts ...ServiceOption) *ManagementService

+ type Metadata struct

+ TMS TMS

+ TokenRequestMetadata *driver.TokenRequestMetadata

+ func (m *Metadata) FilterBy(eIDs ...string) (*Metadata, error)

+ func (m *Metadata) GetToken(raw []byte) (*token.Token, view.Identity, []byte, error)

+ func (m *Metadata) Issue(i int) (*IssueMetadata, error)

+ func (m *Metadata) SpentTokenID() []*token.ID

+ func (m *Metadata) Transfer(i int) (*TransferMetadata, error)

+ type Normalizer interface

+ Normalize func(opt *ServiceOptions) *ServiceOptions

+ type Output struct

+ ActionIndex int

+ EnrollmentID string

+ Index uint64

+ Owner view.Identity

+ OwnerAuditInfo []byte

+ Quantity token2.Quantity

+ Type string

+ func (o Output) ID(txID string) *token2.ID

+ type OutputStream struct

+ Precision uint64

+ func NewOutputStream(outputs []*Output, precision uint64) *OutputStream

+ func (o *OutputStream) At(i int) *Output

+ func (o *OutputStream) ByEnrollmentID(id string) *OutputStream

+ func (o *OutputStream) ByRecipient(id view.Identity) *OutputStream

+ func (o *OutputStream) ByType(typ string) *OutputStream

+ func (o *OutputStream) Count() int

+ func (o *OutputStream) EnrollmentIDs() []string

+ func (o *OutputStream) Filter(f func(t *Output) bool) *OutputStream

+ func (o *OutputStream) Outputs() []*Output

+ func (o *OutputStream) Sum() *big.Int

+ func (o *OutputStream) TokenTypes() []string

+ type OwnerFilter interface

+ ContainsToken func(token *token2.UnspentToken) bool

+ ID func() string

+ type OwnerStream struct

+ func NewOwnerStream(owners []string) *OwnerStream

+ func (s *OwnerStream) Count() int

+ type OwnerWallet struct

+ func (o *OwnerWallet) EnrollmentID() string

+ func (o *OwnerWallet) GetAuditInfo(id view.Identity) ([]byte, error)

+ func (o *OwnerWallet) GetRecipientIdentity() (view.Identity, error)

+ func (o *OwnerWallet) GetSigner(identity view.Identity) (driver.Signer, error)

+ func (o *OwnerWallet) GetTokenMetadata(token []byte) ([]byte, error)

+ func (o *OwnerWallet) ListUnspentTokens(opts ...ListTokensOption) (*token.UnspentTokens, error)

+ func (o *OwnerWallet) ListUnspentTokensIterator(opts ...ListTokensOption) (*UnspentTokensIterator, error)

+ type PublicParametersManager struct

+ func NewPublicParametersManagerFromPublicParams(params []byte) (*PublicParametersManager, error)

+ func (c *PublicParametersManager) Auditors() []view.Identity

+ func (c *PublicParametersManager) CertificationDriver() string

+ func (c *PublicParametersManager) Fetch() ([]byte, error)

+ func (c *PublicParametersManager) GraphHiding() bool

+ func (c *PublicParametersManager) Identifier() string

+ func (c *PublicParametersManager) MaxTokenValue() uint64

+ func (c *PublicParametersManager) Precision() uint64

+ func (c *PublicParametersManager) SerializePublicParameters() ([]byte, error)

+ func (c *PublicParametersManager) TokenDataHiding() bool

+ func (c *PublicParametersManager) Update() error

+ func (c *PublicParametersManager) Validate() error

+ type PublicParamsFetcher interface

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

+ type QueryEngine struct

+ func (q *QueryEngine) GetTokens(inputs ...*token2.ID) ([]*token2.Token, error)

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

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

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

+ func (q *QueryEngine) ListUnspentTokens() (*token2.UnspentTokens, error)

+ func (q *QueryEngine) PublicParams() ([]byte, error)

+ func (q *QueryEngine) UnspentTokensIterator() (*UnspentTokensIterator, error)

+ func (q *QueryEngine) UnspentTokensIteratorBy(walletID, tokenType string) (*UnspentTokensIterator, error)

+ type QueryService interface

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

+ type Request struct

+ Actions *driver.TokenRequest

+ Anchor string

+ Metadata *driver.TokenRequestMetadata

+ TokenService *ManagementService

+ func NewRequest(tokenService *ManagementService, anchor string) *Request

+ func NewRequestFromBytes(tokenService *ManagementService, anchor string, actions []byte, trmRaw []byte) (*Request, error)

+ func (r *Request) AddAuditorSignature(sigma []byte)

+ func (r *Request) AppendSignature(sigma []byte)

+ func (r *Request) ApplicationMetadata(k string) []byte

+ func (r *Request) AuditCheck() error

+ func (r *Request) AuditInputs() (*InputStream, error)

+ func (r *Request) AuditOutputs() (*OutputStream, error)

+ func (r *Request) AuditRecord() (*AuditRecord, error)

+ func (r *Request) BindTo(sp view2.ServiceProvider, party view.Identity) error

+ func (r *Request) Bytes() ([]byte, error)

+ func (r *Request) FilterMetadataBy(eIDs ...string) (*Request, error)

+ func (r *Request) FromBytes(request []byte) error

+ func (r *Request) GetMetadata() (*Metadata, error)

+ func (r *Request) ID() string

+ func (r *Request) Import(request *Request) error

+ func (r *Request) Inputs() (*InputStream, error)

+ func (r *Request) IsValid() error

+ func (r *Request) Issue(wallet *IssuerWallet, receiver view.Identity, typ string, q uint64, ...) (*IssueAction, error)

+ func (r *Request) Issues() []*Issue

+ func (r *Request) MarshalToAudit() ([]byte, error)

+ func (r *Request) MarshalToSign() ([]byte, error)

+ func (r *Request) MetadataToBytes() ([]byte, error)

+ func (r *Request) Outputs() (*OutputStream, error)

+ func (r *Request) Redeem(wallet *OwnerWallet, typ string, value uint64, opts ...TransferOption) error

+ func (r *Request) RequestToBytes() ([]byte, error)

+ func (r *Request) SetApplicationMetadata(k string, v []byte)

+ func (r *Request) SetTokenService(service *ManagementService)

+ func (r *Request) Transfer(wallet *OwnerWallet, typ string, values []uint64, owners []view.Identity, ...) (*TransferAction, error)

+ func (r *Request) Transfers() []*Transfer

+ type Selector interface

+ Select func(ownerFilter OwnerFilter, q, tokenType string) ([]*token2.ID, token2.Quantity, error)

+ type SelectorManager interface

+ NewSelector func(id string) (Selector, error)

+ Unlock func(id string) error

+ type SelectorManagerProvider interface

+ SelectorManager func(network string, channel string, namespace string) SelectorManager

+ type ServiceOption func(*ServiceOptions) error

+ func WithChannel(channel string) ServiceOption

+ func WithNamespace(namespace string) ServiceOption

+ func WithNetwork(network string) ServiceOption

+ func WithPublicParameterFetcher(ppFetcher PublicParamsFetcher) ServiceOption

+ func WithTMS(network, channel, namespace string) ServiceOption

+ func WithTMSID(id TMSID) ServiceOption

+ type ServiceOptions struct

+ Channel string

+ Namespace string

+ Network string

+ Params map[string]interface{}

+ PublicParamsFetcher PublicParamsFetcher

+ func CompileServiceOptions(opts ...ServiceOption) (*ServiceOptions, error)

+ func (o ServiceOptions) ParamAsString(key string) (string, error)

+ func (o ServiceOptions) TMSID() TMSID

+ type ServiceProvider interface

+ GetService func(v interface{}) (interface{}, error)

+ type SignatureService struct

+ func (s *SignatureService) AuditorVerifier(id view.Identity) (Verifier, error)

+ func (s *SignatureService) GetSigner(id view.Identity) (Signer, error)

+ func (s *SignatureService) IsMe(party view.Identity) bool

+ func (s *SignatureService) IssuerVerifier(id view.Identity) (Verifier, error)

+ func (s *SignatureService) OwnerVerifier(id view.Identity) (Verifier, error)

+ func (s *SignatureService) RegisterSigner(identity view.Identity, signer Signer, verifier Verifier) error

+ type Signer interface

+ Sign func(message []byte) ([]byte, error)

+ type TMS interface

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

+ GetEnrollmentID func(bytes []byte) (string, error)

+ type TMSID struct

+ Channel string

+ Namespace string

+ Network string

+ func (t TMSID) String() string

+ type Transfer struct

+ ExtraSigners []view.Identity

+ Receivers []view.Identity

+ Senders []view.Identity

+ type TransferAction struct

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

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

+ func (t *TransferAction) IsGraphHiding() bool

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

+ func (t *TransferAction) NumOutputs() int

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

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

+ type TransferMetadata struct

+ func (m *TransferMetadata) IsInputAbsent(j int) bool

+ func (m *TransferMetadata) IsOutputAbsent(j int) bool

+ func (m *TransferMetadata) Match(action *TransferAction) error

+ type TransferOption func(*TransferOptions) error

+ func WithTokenIDs(ids ...*token.ID) TransferOption

+ func WithTokenSelector(selector Selector) TransferOption

+ func WithTransferAttribute(attr, value interface{}) TransferOption

+ func WithTransferMetadata(key string, value []byte) TransferOption

+ type TransferOptions struct

+ Attributes map[interface{}]interface{}

+ Selector Selector

+ TokenIDs []*token.ID

+ type UnspentTokensIterator struct

+ func (u *UnspentTokensIterator) Sum(precision uint64) (token2.Quantity, error)

+ type Validator struct

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

+ func (c *Validator) UnmarshallAndVerify(ledger Ledger, anchor string, raw []byte) ([]interface{}, error)

+ type Vault struct

+ func (v *Vault) NewQueryEngine() *QueryEngine

+ type VaultProvider interface

+ Vault func(network string, channel string, namespace string) driver.Vault

+ type Verifier interface

+ Verify func(message, sigma []byte) error

+ type Wallet struct

+ func (w *Wallet) Contains(identity view.Identity) bool

+ func (w *Wallet) ContainsToken(token *token.UnspentToken) bool

+ func (w *Wallet) ID() string

+ func (w *Wallet) TMS() *ManagementService

+ type WalletManager struct

+ func (wm *WalletManager) AuditorWallet(id string) *AuditorWallet

+ func (wm *WalletManager) AuditorWalletByIdentity(id view.Identity) *AuditorWallet

+ func (wm *WalletManager) CertifierWallet(id string) *CertifierWallet

+ func (wm *WalletManager) CertifierWalletByIdentity(identity view.Identity) *CertifierWallet

+ func (wm *WalletManager) GetEnrollmentID(identity view.Identity) (string, error)

+ func (wm *WalletManager) IsMe(id view.Identity) bool

+ func (wm *WalletManager) IssuerWallet(id string) *IssuerWallet

+ func (wm *WalletManager) IssuerWalletByIdentity(identity view.Identity) *IssuerWallet

+ func (wm *WalletManager) OwnerWallet(id string) *OwnerWallet

+ func (wm *WalletManager) OwnerWalletByIdentity(identity view.Identity) *OwnerWallet

+ func (wm *WalletManager) RegisterIssuerWallet(id string, path string) error

+ func (wm *WalletManager) RegisterOwnerWallet(id string, path string) error

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

+ func (wm *WalletManager) SpentIDs(ids []*token.ID) ([]string, error)

+ func (wm *WalletManager) Wallet(identity view.Identity) *Wallet

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