sign-steps

sign-steps helps dapp to execute multiple contract signing steps via the TronLink Chrome extension. With sign-steps, dapp developers will be able to:

• execute multiple contract signing steps

• listen to contract signing and reject events

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Get Started

Installation

• npm i

Run

• npm run start

Build

• npm run build

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executeContinuousSigns

Execute multiple contract signing steps

Parameters

Argument	Description	Type
params	Array of parameters for each contract signing step	Array of param object

Example

const params1 = {
  address: 'TLBaRhANQoJFTqre9Nf1mjuwNWjCJeYqUL',
  functionSelector: 'approve(address,uint256)',
  parameters: [
    { type: 'address', value: 'TSgZncDVzLq5SbEsCKAeviuG7nPKtJwRzU' },
    { type: 'uint256', value: MAX_UINT256 }
  ],
  options: {},
}
const params2 = {
  address: 'TSgZncDVzLq5SbEsCKAeviuG7nPKtJwRzU',
  functionSelector: 'mint(uint256)',
  parameters: [{ type: 'uint256', value: '100' }],
  options: {},
}
executeContinuousSigns([params1, params2]);

---

continueCurrentSignSteps

Continue the execution at the current step

Example

continueCurrentSignSteps();

---

on

Listen to contract signing events

Parameters

Argument	Description	Type
event	Name of the event to listen	String
callback	Call back function in response to the event	Function

Event action name

Event	Description
startAtStep	Start to execute at this step
signedAtStep	User signed the contract at this step
errorAtStep	Contract signing encounter error at this step
completedAllSteps	Completed all contract signing of the current continuous signing execution

Example

SignSteps.on('startAtStep', (stepNumber) => {
  updateStatusAtStep(stepNumber, StepStatus.Active)
})
SignSteps.on('signedAtStep', (stepNumber) => {
  updateStatusAtStep(stepNumber, StepStatus.Completed)
})
SignSteps.on('errorAtStep', (stepNumber, errorMsg) => {
  updateStatusAtStep(stepNumber, StepStatus.Error)
})
SignSteps.on('completedAllSteps', () => {
  setDidFinishAllSteps(true)
  removeSignStepsListeners()
})

---

off

Remove the contract signing events listener

Parameters

Argument	Description	Type
event	Name of the event to listen	String
callback	Call back function in response to the event	Function

Example

SignSteps.off('startAtStep', startEventCallback)
SignSteps.off('signedAtStep', signedEventCallback)
SignSteps.off('errorAtStep', errorEventCallback)
SignSteps.off('completedAllSteps', completedAllStepsCallback)

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getCurrentStepNumber

Get the current step number

Response

The step number of the existing continuous signature

Example

getCurrentStepNumber()