Sign MPC transaction

post

http://localhost:3080/api/v2/{coin}/wallet/{walletId}/signtxtss

Sign transactions for MPC wallets. If using external-signer mode, you must maintain your keys, in the clear, on a separate Express server - BitGo doesn't decrypt your private MPC key shares.

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Path Params

coin

string

required

A cryptocurrency or token ticker symbol.

walletId

string

required

The wallet ID.

Body Params

txRequestId

string

required

A unique ID for the TxRequest document across all wallets. The combination of the txRequestId and version will always be unique.

version

number

required

The version of the document. Data changes are done only with inserts and incrementing the version.

latest

boolean

required

A boolean flag that indicates whether the document is the latest version of the TxRequest.

walletId

string

required

The id of the Wallet the TxRequest is for.

walletType

string

enum

The type describes who owns the keys to the wallet and how they are stored. cold wallets are wallets where the private key of the user key is stored exclusively outside of BitGo's system. custodial means that this wallet is a cold wallet where BitGo owns the keys. Only customers of the BitGo Trust can create this kind of wallet. custodialPaired means that this is a hot wallet that is owned by the customer but it will be linked to a cold (custodial) wallet where BitGo owns the keys. This option is only available to customers of BitGo Inc. BitGo stores an encrypted private key for the user key of hot wallets. trading wallets are trading accounts where the coin is ofc. distributedCustody means You manage one key and another key agent manages the second key. BitGo manages the third key

Allowed:

enterpriseId

string

If the wallet that owns the TxRequest is owned by an enterprise then this is the Id of said enterprise.

state

string

enum

required

date

date-time

required

The date and time this version of the TxRequest document was created.

createdDate

date-time

required

The date and time the version 1 TxRequest document was created.

userId

string

required

The Id of the User that produced this version of the TxRequest document. Could have created a new document or updated an existing document.

initiatedBy

string

required

The Id of the User that originally created the TxRequest document (initiated the TxRequest).

updatedBy

string

required

The Id of the User that last updated the TxRequest document. This is an alias for the userId field.

intent

required

intents

array of objects

required

intents*

pendingApprovalId

string

The id of the Pending Approval that was created for the TxRequest if one was required.

isCanceled

boolean

True, if the transaction request is canceled.

unsignedTxs

array of objects

Holds all unsigned transactions that will be used to fulfill the TxRequest for MPC wallets.

unsignedTxs

signatureShares

array of objects

Only used for MPC coins. This is used to collect signature shares from and exchange them with the user.

signatureShares

commitmentShares

array of objects

Only used for MPC coins on EdDSA curve. This is used to collect commitment shares from and exchange them with the user.

commitmentShares

txHashes

array of strings

txHashes

Response

200OK