POST 
/trusted-issuers-registry/v5/jsonrpc

The JSON-RPC API provides methods assisting the construction of blockchain transactions for TIR SC operations, and interaction with the ledger.

Request

application/json

Body

The body follows the JSON-RPC 2.0 specification.

It requires the following fields:

• jsonrpc: must be exactly "2.0"
• method: method to be invoked
• params: method parameters
• id: identifier established by the client

API Methods

setAttributeMetadata

Call to build an unsigned transaction to set the metadata of an attribute. Requires an access token with "tir_write" scope.

Parameters:

• from: Ethereum address of the signer
• did: DID of the issuer
• revisionId: Attribute ID (hexadecimal string prefixed with 0x)
• issuerType: 1 (RootTAO), 2 (TAO), 3 (TI), or 4 (Revoked)
• taoDid: DID of the TAO accrediting the issuer
• attributeIdTao: Attribute ID that accredits taoDid as TAO or RootTAO (hexadecimal string prefixed with 0x)

setAttributeData

Call to build an unsigned transaction to set an attribute. Requires an access token with "tir_invite" or "tir_write" scope.

Parameters:

• from: Ethereum address of the signer
• did: DID of the issuer
• attributeId: ID of the attribute to set (hexadecimal string prefixed with 0x)
• attributeData: Verifiable credential converted to an hexadecimal string prefixed with 0x

addIssuerProxy

Call to build an unsigned transaction to insert a new proxy to an issuer. It can be added by the issuer itself or an admin registered in the Trusted Policies Registry to update issuers. Requires an access token with "tir_write" scope.

Parameters:

• from: Ethereum address of the signer
• did: DID of the issuer
• proxyData: Proxy configuration to be used during the verification of credentials. For the registration to be accepted, the configured proxy must serve a status list which is valid and signed by the issuer requesting the proxy. The validation is done by combining "prefix" with "testSuffix" and executed before accepting the registration. Proxy must be configured before any VCs are issued. The validation will fail if the credential status proxy doesn't exist. It must be a JSON object converted to a string. Example: JSON.stringify({"prefix":"https://example.net","headers":{"Authorization":"Bearer 1234567890"},"testSuffix":"/cred/1"}).

updateIssuerProxy

Call to build an unsigned transaction to update an existing proxy of an issuer. It can be updated by the issuer itself or an admin registered in the Trusted Policies Registry to update issuers. Requires an access token with "tir_write" scope.

Parameters:

• from: Ethereum address of the signer
• did: DID of the issuer
• proxyId: ID of the existing proxy (hexadecimal string prefixed with 0x)
• proxyData: Proxy configuration to be used during the verification of credentials. For the registration to be accepted, the configured proxy must serve a status list which is valid and signed by the issuer requesting the proxy. The validation is done by combining "prefix" with "testSuffix" and executed before accepting the registration. Proxy must be configured before any VCs are issued. The validation will fail if the credential status proxy doesn't exist. It must be a JSON object converted to a string. Example: JSON.stringify({"prefix":"https://example.net","headers":{"Authorization":"Bearer 1234567890"},"testSuffix":"/cred/1"}).

sendSignedTransaction

Call to send a signed transaction to the blockchain.

jsonrpc stringrequired

Must be exactly "2.0"

method stringrequired

Method that needs to be invoked

params object[]required

Array of parameters

id integerrequired

Identifier established by the client

Responses

200

Response

application/json

Schema

Schema

jsonrpc string

Must be exactly "2.0"

id integer

Same identifier established by the client in the call

result object
Result of the call
oneOf
MOD2
string

Build tx

{
  "jsonrpc": "2.0",
  "id": 482,
  "result": {
    "from": "0x8445fC96e27ceB0d1794be16a1Ac8BF5D765AACB",
    "to": "0xFdfbCE7F3c12A902B79e0ceB0DB2662331bBA1aF",
    "data": "0x250f4d9700000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000120fb33cccb447605de75846617385f6d2aac28010f53a89ecb5ce151751c53c8d400000000000000000000000000000000000000000000000000000000000000206469643a656273693a7a5a766970744568464e31723275313868686937486f66000000000000000000000000000000000000000000000000000000000000000865794a68622e2e2e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000216469643a656273693a7a323536617342576d4842736a325a4e567847354d686b7000000000000000000000000000000000000000000000000000000000000000",
    "value": "0x0",
    "nonce": "0xb1d3",
    "chainId": "0x181f",
    "gasLimit": "0x1000000",
    "gasPrice": "0x0"
  }
}

Send Transaction

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
}

400

Bad request

application/problem+json

Schema

Schema

type uri

Default value: about:blank

An absolute URI that identifies the problem type. When dereferenced, it SHOULD provide human-readable documentation for the problem type.

title string

A short summary of the problem type.

status int32

Possible values: >= 400 and <= 600

The HTTP status code generated by the origin server for this occurrence of the problem.

detail string

A human readable explanation specific to this occurrence of the problem.

instance uri

An absolute URI that identifies the specific occurrence of the problem. It may or may not yield further information if dereferenced.

Bad Request

{
  "title": "Bad request",
  "status": 400,
  "detail": "Bad request"
}

Invalid Token

{
  "title": "Invalid token",
  "status": 400,
  "detail": "Invalid token"
}

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