Get Signature Message

get

https://svc.blockdaemon.com/defi/v1/aa/getsignaturemessage

This endpoint retrieves a hexadecimal signature message that must be signed by the sender as part of the account abstraction process. The signed message serves as a critical authorization component for subsequent user operations on the blockchain.

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Compute Unit Value: 15 (Fixed)

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Query Params

chainId

string

enum

The unique ID to direct queries or transactions to the correct blockchain. Find more here.

chainSymbol

string

The abbreviated chain name for queries or transactions.

sender

string

required

On-chain wallet address.

nonce

string

Anti-replay parameter.

initCode

string

The initCode of the account. (needed if and only if the account is not yet on-chain and needs to be created)

preVerificationGas

string

Gas units to compensate the bundler for pre-verification overhead and calldata encoding, as an integer string (ERC-4337).

verificationGasLimit

string

Maximum gas units for verifying the user operation (signature validation and paymaster logic), as an integer string (ERC-4337).

gasLimit

string

Maximum gas units for the overall user operation execution, as an integer string (ERC-4337).

callGasLimit

string

Maximum gas units for the main execution call of the user operation, as an integer string (ERC-4337).

callData

string

Encoded data for executing the primary function call or operation within the user's transaction.

maxPriorityFeePerGas

string

Maximum priority fee (tip) per gas unit in wei to incentivize validators or bundlers, as an integer string (EIP-1559). Example: '1000000000' = 1 gwei.

maxFeePerGas

string

Maximum total fee per gas unit in wei (base fee + priority fee), as an integer string (EIP-1559). Example: '20000000000' = 20 gwei.

paymasterAndData

string

Address of paymaster sponsoring the transaction, followed by extra data to send to the paymaster. (empty for self-sponsored transaction)

Response

200Successful response