Eip712MintERC1155TypedData

primaryTypestring

Possible values: [MintData]

domain object

namestring

Name of the signing domain

Example: BaseToken

versionstring

The current version of the signing domain

Example: 1.0.0

chainIdnumber

Numeric identifier of the blockchain

Example: 137

verifyingContractstring

Address of the contract on the blockchain that verifies the signature

Example: 0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC

types object

EIP712Domain object[]

Array [

namestring

typestring

]

MintData object[]

Array [

namestring

typestring

]

ArweaveReferences object[]

Array [

namestring

typestring

]

PhysicalGoldMetadata object[]

Array [

namestring

typestring

]

message object

tostring

Blockchain address to mint tokens to

Example: 0x1234567890123456789012345678901234567890

amountstring

Amount of tokens to mint (uint256)

Example: 1000000000000000000

docTypenumber

Document type identifier (uint8)

Example: 1

contentHashstring

Content hash of the document (bytes32)

Example: 0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890

arweaveRefs object

Arweave references for metadata and documents

metadataUristring

Example: ar://metadata-tx-id

certificateUristring

Example: ar://certificate-tx-id

additionalDocsUristring

Example: ar://additional-docs-tx-id

issuedAtnumber

Timestamp when the token was issued (uint64)

Example: 1706515200

versionnumber

Version number (uint32)

Example: 1

noncestring

Unique nonce to prevent replay attacks (uint256)

Example: 1

deadlinestring

Deadline timestamp for the signature (uint256)

Example: 1706601600

physicalMetadata object

Physical gold metadata

serialNumberstring

Serial number of the physical gold (bytes32)

Example: 0x1234567890123456789012345678901234567890123456789012345678901234

refinerystring

Refinery identifier (bytes32)

Example: 0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890

puritynumber

Purity of the gold (uint16)

Example: 9999

totalPhysicalWeightstring

Total physical weight in grams (uint256)

Example: 1000000

mintedDatenumber

Date when the gold was minted (uint64)

Example: 1706515200

lbmaCertNumberstring

LBMA certification number (bytes32)

Example: 0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321

Eip712MintERC1155TypedData

{
  "primaryType": "MintData",
  "domain": {
    "name": "BaseToken",
    "version": "1.0.0",
    "chainId": 137,
    "verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
  },
  "types": {
    "EIP712Domain": [
      {
        "name": "string",
        "type": "string"
      }
    ],
    "MintData": [
      {
        "name": "string",
        "type": "string"
      }
    ],
    "ArweaveReferences": [
      {
        "name": "string",
        "type": "string"
      }
    ],
    "PhysicalGoldMetadata": [
      {
        "name": "string",
        "type": "string"
      }
    ]
  },
  "message": {
    "to": "0x1234567890123456789012345678901234567890",
    "amount": "1000000000000000000",
    "docType": 1,
    "contentHash": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
    "arweaveRefs": {
      "metadataUri": "ar://metadata-tx-id",
      "certificateUri": "ar://certificate-tx-id",
      "additionalDocsUri": "ar://additional-docs-tx-id"
    },
    "issuedAt": 1706515200,
    "version": 1,
    "nonce": "1",
    "deadline": "1706601600",
    "physicalMetadata": {
      "serialNumber": "0x1234567890123456789012345678901234567890123456789012345678901234",
      "refinery": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
      "purity": 9999,
      "totalPhysicalWeight": "1000000",
      "mintedDate": 1706515200,
      "lbmaCertNumber": "0xfedcba0987654321fedcba0987654321fedcba0987654321fedcba0987654321"
    }
  }
}