Evolution SDK

Credential.ts

Credential overview


Table of contents


encoding

toCBORBytes

Convert a Credential to CBOR bytes.

Signature

export declare const toCBORBytes: (credential: Credential, options?: CBOR.CodecOptions) => Uint8Array

Added in v2.0.0

toCBORHex

Convert a Credential to CBOR hex string.

Signature

export declare const toCBORHex: (credential: Credential, options?: CBOR.CodecOptions) => string

Added in v2.0.0

model

Credential (type alias)

Type representing a credential that can be either a key hash or script hash Used in various address formats to identify ownership

Signature

export type Credential = typeof Credential.Type

Added in v2.0.0

parsing

fromCBORBytes

Parse a Credential from CBOR bytes.

Signature

export declare const fromCBORBytes: (bytes: Uint8Array, options?: CBOR.CodecOptions) => Credential

Added in v2.0.0

fromCBORHex

Parse a Credential from CBOR hex string.

Signature

export declare const fromCBORHex: (hex: string, options?: CBOR.CodecOptions) => Credential

Added in v2.0.0

predicates

is

Check if the given value is a valid Credential

Signature

export declare const is: (
  u: unknown,
  overrideOptions?: ParseOptions | number
) => u is KeyHash.KeyHash | ScriptHash.ScriptHash

Added in v2.0.0

schemas

Credential

Credential schema representing either a key hash or script hash credential = [0, addr_keyhash // 1, script_hash] Used to identify ownership of addresses or stake rights

Signature

export declare const Credential: Schema.Union<[typeof KeyHash.KeyHash, typeof ScriptHash.ScriptHash]>

Added in v2.0.0

FromCDDL

CDDL schema for Credential as defined in the specification: credential = [0, addr_keyhash // 1, script_hash]

Signature

export declare const FromCDDL: Schema.transformOrFail<
  Schema.Tuple2<Schema.Literal<[0n, 1n]>, typeof Schema.Uint8ArrayFromSelf>,
  Schema.SchemaClass<KeyHash.KeyHash | ScriptHash.ScriptHash, KeyHash.KeyHash | ScriptHash.ScriptHash, never>,
  never
>

Added in v2.0.0

testing

arbitrary

FastCheck arbitrary for generating random Credential instances. Randomly selects between generating a KeyHash or ScriptHash credential.

Signature

export declare const arbitrary: FastCheck.Arbitrary<KeyHash.KeyHash | ScriptHash.ScriptHash>

Added in v2.0.0

utils

CDDLSchema

Signature

export declare const CDDLSchema: Schema.Tuple2<Schema.Literal<[0n, 1n]>, typeof Schema.Uint8ArrayFromSelf>

CredentialEncoded (type alias)

Signature

export type CredentialEncoded = typeof Credential.Encoded

FromCBORBytes

Signature

export declare const FromCBORBytes: (
  options?: CBOR.CodecOptions
) => Schema.transform<
  Schema.transformOrFail<
    typeof Schema.Uint8ArrayFromSelf,
    Schema.declare<CBOR.CBOR, CBOR.CBOR, readonly [], never>,
    never
  >,
  Schema.transformOrFail<
    Schema.Tuple2<Schema.Literal<[0n, 1n]>, typeof Schema.Uint8ArrayFromSelf>,
    Schema.SchemaClass<KeyHash.KeyHash | ScriptHash.ScriptHash, KeyHash.KeyHash | ScriptHash.ScriptHash, never>,
    never
  >
>

FromCBORHex

Signature

export declare const FromCBORHex: (
  options?: CBOR.CodecOptions
) => Schema.transform<
  Schema.Schema<Uint8Array, string, never>,
  Schema.transform<
    Schema.transformOrFail<
      typeof Schema.Uint8ArrayFromSelf,
      Schema.declare<CBOR.CBOR, CBOR.CBOR, readonly [], never>,
      never
    >,
    Schema.transformOrFail<
      Schema.Tuple2<Schema.Literal<[0n, 1n]>, typeof Schema.Uint8ArrayFromSelf>,
      Schema.SchemaClass<KeyHash.KeyHash | ScriptHash.ScriptHash, KeyHash.KeyHash | ScriptHash.ScriptHash, never>,
      never
    >
  >
>

makeKeyHash

Signature

export declare const makeKeyHash: (hash: Uint8Array) => Credential

makeScriptHash

Signature

export declare const makeScriptHash: (hash: Uint8Array) => Credential