saepenatus/packages/common/src/validation.ts

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

import Joi from 'joi'

export type ValidateReturn = Joi.ValidationResult | null

export function validate(validator: Joi.Schema, data: unknown): ValidateReturn {
  const result = validator.validate(data)
  return result.error ? result : null
}

export const chainIdValidation = Joi.alternatives().try(
  Joi.string().pattern(/^0x[0-9a-fA-F]+$/),
  Joi.number().positive()
)

export const chainNamespaceValidation = Joi.string().valid('evm')

/** Related to ConnectionInfo from 'ethers/lib/utils' */
export const providerConnectionInfoValidation = Joi.object({
  url: Joi.string().required(),
  headers: Joi.object(),
  user: Joi.string(),
  password: Joi.string(),
  allowInsecureAuthentication: Joi.boolean(),
  allowGzip: Joi.boolean(),
  throttleLimit: Joi.number(),
  throttleSlotInterval: Joi.number(),
  throttleCallback: Joi.function(),
  timeout: Joi.number()
})

export const chainValidation = Joi.object({
  namespace: chainNamespaceValidation,
  id: chainIdValidation.required(),
  rpcUrl: Joi.string().required(),
  label: Joi.string().required(),
  token: Joi.string().required(),
  icon: Joi.string(),
  color: Joi.string(),
  publicRpcUrl: Joi.string(),
  blockExplorerUrl: Joi.string(),
  providerConnectionInfoValidation
})