78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
|
/**
|
|||
|
|
* 合约错误处理工具
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
const USER_REJECTION_PATTERNS = [
|
|||
|
|
'User rejected',
|
|||
|
|
'User denied',
|
|||
|
|
'user rejected',
|
|||
|
|
'rejected the request',
|
|||
|
|
]
|
|||
|
|
|
|||
|
|
/** 判断是否为用户拒绝交易 */
|
|||
|
|
export function isUserRejection(err: unknown): boolean {
|
|||
|
|
const msg = getErrorMessage(err)
|
|||
|
|
return USER_REJECTION_PATTERNS.some(pattern => msg.includes(pattern))
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 解析合约 revert 原因 */
|
|||
|
|
export function parseContractError(err: unknown, fallback = 'Transaction failed'): string {
|
|||
|
|
if (!err) return fallback
|
|||
|
|
const msg = getErrorMessage(err)
|
|||
|
|
const match =
|
|||
|
|
msg.match(/reverted with reason string '(.+?)'/) ||
|
|||
|
|
msg.match(/execution reverted: (.+?)(?:\n|$)/) ||
|
|||
|
|
msg.match(/reverted: (.+?)(?:\n|$)/)
|
|||
|
|
if (match) return match[1]
|
|||
|
|
const short = getShortMessage(err)
|
|||
|
|
if (short) return short
|
|||
|
|
return fallback
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 统一 catch 块处理 */
|
|||
|
|
export function handleContractCatchError(
|
|||
|
|
err: unknown,
|
|||
|
|
fallback: string,
|
|||
|
|
setError: (msg: string) => void,
|
|||
|
|
setStatus: (status: string) => void,
|
|||
|
|
): void {
|
|||
|
|
if (isUserRejection(err)) {
|
|||
|
|
setError('Transaction cancelled')
|
|||
|
|
setStatus('idle')
|
|||
|
|
} else {
|
|||
|
|
setError(parseContractError(err, fallback))
|
|||
|
|
setStatus('error')
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 校验金额是否为合法正数 */
|
|||
|
|
export function isValidAmount(amount: string): boolean {
|
|||
|
|
const n = Number(amount)
|
|||
|
|
return !isNaN(n) && isFinite(n) && n > 0
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 安全解析浮点数，NaN/Infinity → 0 */
|
|||
|
|
export function safeParseFloat(value: string | number): number {
|
|||
|
|
const n = typeof value === 'string' ? parseFloat(value) : value
|
|||
|
|
if (isNaN(n) || !isFinite(n)) return 0
|
|||
|
|
return n
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function getErrorMessage(err: unknown): string {
|
|||
|
|
if (err instanceof Error) return err.message
|
|||
|
|
if (typeof err === 'object' && err !== null) {
|
|||
|
|
const e = err as Record<string, unknown>
|
|||
|
|
if (typeof e.message === 'string') return e.message
|
|||
|
|
if (typeof e.shortMessage === 'string') return e.shortMessage
|
|||
|
|
}
|
|||
|
|
return String(err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function getShortMessage(err: unknown): string | undefined {
|
|||
|
|
if (typeof err === 'object' && err !== null) {
|
|||
|
|
const e = err as Record<string, unknown>
|
|||
|
|
if (typeof e.shortMessage === 'string') return e.shortMessage
|
|||
|
|
}
|
|||
|
|
return undefined
|
|||
|
|
}
|