Sign and Broadcast Transaction

1. Prepare the transaction

Retrieve an unsigned serialized transaction from the relevant API endpoint, e.g., staking/approve, staking/delegate, staking/unstake.

2. Sign the transaction

Use the P2P Signer SDK to sign the unsigned data following protocol specific configuration.

3. Send the transaction

Send the signed transaction to the Ethereum network by making a POST request to /api​/v1​/polygon​/transaction​/send.

Example request:

curl --request POST \
		 --url https://api.p2p.org/api/v1/polygon/transaction/send \
     --head 'accept: application/json' \
     --head 'Authorization: Bearer <token>' \
     --head 'Content-Type: application/json' \
     --data '
{
  "signedTransaction": "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",
  "stakerAddress": "0x39D02C253dA1d9F85ddbEB3B6Dc30bc1EcBbFA17"
}
'
  • signedTransaction — serialized signed transaction.
  • stakerAddress — staker account address.

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