🧡BitCoin

Detecting the Provider

Once ioPay Wallet is installed and running, you should find that ioPay's mobile in-app browser have a window.ioPay object available in the developer console.

Method

requestAccounts(): Connect the current account.

Returns:

• Promise - string: address of current account

Example:

try {
  let accounts = await window.ioPay.requestAccounts();
  console.log('connect success', accounts);
} catch (e) {
  console.log('connect failed');
}
> connect success ['mfaCeWXkqRTPG85mLXMbBZEJRS8b7bw4Kb']

Method

getPublicKey()

Returns:

• Promise - string: publicKey

Example:

try {
  let res = await window.ioPay.getPublicKey();
  console.log(res)
} catch (e) {
  console.log(e);
}
> 0668e8db9f4a2bc19219058467bb12d4c07952da52e71b8d409684c918b4fd1f

Method

signMessage

ioPay.signMessage(msg)

Parameters

• msg - string: a string to sign

Returns

• Promise - string: the signature.

Example:

// sign by ecdsa
try {
  let res = await window.ioPay.signMessage("welcome to ioPay");
  console.log(res)
} catch (e) {}

Method

signPsbt

ioPay.signPsbt(psbtHex[, options])

This method will traverse all inputs that match the current address to sign.

Parameters

• psbtHex - string: the hex string of psbt to sign

• options

  • autoFinalized - boolean: whether finalize psbt after signing, default is true

  • toSignInputs - array:

    • index - number: which input to sign

    • address - string: (at least specify either an address or a publicKey) Which corresponding private key to use for signing

    • publicKey - string: (at least specify either an address or a publicKey) Which corresponding private key to use for signing

    • sighashTypes - number[]: (optionals) sighashTypes

    • disableTweakSigner - boolean :(optionals) When signing and unlocking Taproot addresses, the tweakSigner is used by default for signature generation. Enabling this allows for signing with the original private key.

Returns:

• Promise - string: the hex string of signed psbt

Example:

try {
  let res = await window.ioPay.signPsbt(
    "87543231ff53337a....",
    {
        autoFinalized:false,
        toSignInputs:[
          {
            index: 0,
            address: "tb1qtmjmeglfdqphtqq3yq3t6ruq3tvkfx2u6f7n83",
          },
          {
            index: 1,
            publicKey: "76382...83846262f",
            sighashTypes: [1]
          },
          {
            index: 2,
            publicKey: "76382...83846262f",
          }
        ]
    }
  );
  console.log(res)
} catch (e) {
  console.log(e);
}