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Create ECDSA MPC challenge for message

post/api/v2/wallet/{walletId}/txrequests/{txRequestId}/messages/{messageIdx}/challenge

Create the challenge required for signing ECDSA transactions. You must call this endpoint before calling Create a signature share for the transaction request.

Path Parameters

  • walletIdstringRequired
    Example: "59cd72485007a239fb00282ed480da1f"
    Pattern: ^[0-9a-f]{32}$
    Min length: >= 1 characters
  • txRequestIdstringRequired
    The transaction request ID
    Example: "59cd72485007a239fb00282ed480da1f"
    Pattern: ^[0-9a-f]{32}$
    Min length: >= 1 characters
  • messageIdxstring<number>Required

Request Body

paillierModulus string required
The 'n' value from an ECDSA wallets paillier public key. Retrieved from xShare.n.
Min length: >= 1 characters

200 Response

ntilde string required
Range proof challenge value
Example: 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
h1 string required
Range proof challenge value
Example: 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
h2 string required
Range proof challenge value
Example: 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
n string required
BitGo's paillier modulus 'n'.
Example: 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
p array[string] required
Pallier proof challenge value
Example: 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

400 Response

name string
Error code
context object required
Properties that apply to a specific error name
error string required
Human-readable error message
requestId string required
Client request id

401 Response

name string
Error code
context object required
Properties that apply to a specific error name
error string required
Human-readable error message
requestId string required
Client request id

403 Response

name string
Error code
context object required
Properties that apply to a specific error name
error string required
Human-readable error message
requestId string required
Client request id

404 Response

name string
Error code
context object required
Properties that apply to a specific error name
error string required
Human-readable error message
requestId string required
Client request id