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POST
/
v1
/
chains
/
{chain_name}
/
crafting
/
sign
Sign a crafting payload
curl --request POST \
  --url https://api.sandbox.immutable.com/v1/chains/{chain_name}/crafting/sign \
  --header 'Content-Type: application/json' \
  --header 'x-immutable-api-key: <api-key>' \
  --data '
{
  "multi_caller": {
    "address": "0xe9b00a87700f660e46b6f5deaa1232836bcc07d3",
    "name": "Multicaller",
    "version": "1"
  },
  "reference_id": "67f7d464b8f04f6a9a3b8d3cb4a21af0",
  "calls": [
    {
      "target_address": "0xe9b00a87700f660e46b6f5deaa1232836bcc07d3",
      "function_signature": "mint(address,uint256)",
      "function_args": [
        "0x8a90cab2b38dba80c64b7734e58ee1db38b8992e",
        "1"
      ]
    }
  ],
  "expires_at": "2022-08-16T17:43:26.991388Z"
}
'
{
  "signer_address": "0xe9b00a87700f660e46b6f5deaa1232836bcc07d3",
  "signature": "0x8a90cab2b38dba80c64b7734e58ee1db38b8992e"
}

Authorizations

​
x-immutable-api-key
string
header
required

Path Parameters

​
chain_name
string
required

The name of chain

Example:

"imtbl-zkevm-testnet"

Body

application/json

The request body

​
multi_caller
object
required
​
reference_id
string
required

The id of this request in the system that originates the crafting request, specified as a 32 byte hex string

Example:

"67f7d464b8f04f6a9a3b8d3cb4a21af0"

​
calls
object[]
required

The calls to be signed

​
expires_at
string<date-time>
required

The expiration time of the request

Example:

"2022-08-16T17:43:26.991388Z"

Response

200 response

​
signer_address
string
required

An Ethereum address

Example:

"0xe9b00a87700f660e46b6f5deaa1232836bcc07d3"

​
signature
string
required

The signature of the request

Example:

"0x8a90cab2b38dba80c64b7734e58ee1db38b8992e"