These are the methods that wallets should implement to handle Sui transactions and messages via WalletConnect.

​
sui_signTransaction

Sign a Sui transaction without executing it.

​
Parameters

  1. transaction (object) - The transaction to sign:
    • transaction (string) - The base64 encoded transaction block
    • address (string) - The sender’s Sui address

​
Returns

object - The signed transaction:

  • signature (string) - The base64 encoded signature
  • transactionBytes (string) - The base64 encoded signed transaction bytes

​
Example

// Request
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "sui_signTransaction",
  "params": {
    "transaction": "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",
    "address": "0xd5f647edb77d4fda31d0304506447fb3c92e55aaf77bc5ed4b77c332dd4605fa"
  }
}

// Response
{
  "jsonrpc": "2.0",
  "result": {
    "signature": "ACRvdr3yI2mdpeOK+NsJIimdNGcE9R//jjT3HALZ17fFyu818op4jZi/64lPBjpKMDX6ZtxnCFZExTOFdpi3MwEZXLv/ORduxMYX0fw8dbHlnWC8WG0ymrlAmARpEibbhw==",
    "transactionBytes": "ACRvdr3yI2mdpeOK+NsJIimdNGcE9R//jjT3HALZ17fFyu818op4jZi/64lPBjpKMDX6ZtxnCFZExTOFdpi3MwEZXLv/ORduxMYX0fw8dbHlnWC8WG0ymrlAmARpEibbhw=="
  },
  "id": 1
}

​
sui_signAndExecuteTransaction

Sign and execute a Sui transaction.

​
Parameters

  1. transaction (object) - The transaction to sign and execute:
    • transaction (string) - The base64 encoded transaction block
    • address (string) - The sender’s Sui address

​
Returns

object - The transaction result:

  • digest (string) - The transaction digest that can be used to look up the transaction in the explorer

​
Example

// Request
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "sui_signAndExecuteTransaction",
  "params": {
    "transaction": "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",
    "address": "0xd5f647edb77d4fda31d0304506447fb3c92e55aaf77bc5ed4b77c332dd4605fa"
  }
}

// Response
{
  "jsonrpc": "2.0",
  "result": {
    "digest": "GBqPRFR9sYfWA8rt2wCkcgZrctyYMj8Ufunxkjg5G8zt"
  },
  "id": 1
}

​
sui_signPersonalMessage

Sign a personal message.

​
Parameters

  1. message (object) - The message to sign:
    • message (string) - The message to sign (plain text)
    • address (string) - The account address to sign with

​
Returns

object - The signed message:

  • signature (string) - The base64 encoded signature

​
Example

// Request
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "sui_signPersonalMessage",
  "params": {
    "message": "This is a message to be signed for SUI",
    "address": "0xd5f647edb77d4fda31d0304506447fb3c92e55aaf77bc5ed4b77c332dd4605fa"
  }
}

// Response
{
  "jsonrpc": "2.0",
  "result": {
    "signature": "APsZ7PvuAynXYxxfeo0Py4DWOnrUpwqHhJJ1F8aGB2nmS5Wv9dvVo8Gr7DKaXwPMqFaFNKsHb0Hej07R0L0NpQsZXLv/ORduxMYX0fw8dbHlnWC8WG0ymrlAmARpEibbhw=="
  },
  "id": 1
}

​
Additional Resources

For more information about Sui RPC methods and implementation details, please refer to the official Sui documentation.