TypeScript SDK

import { Sw4pBridge } from '@sw4p/bridge'

const bridge = new Sw4pBridge({ 
  apiKey: 'sk_...',
  debug: true
})

const result = await bridge.transfer({
  from: 'BASE',
  to: 'SOLANA',
  amount: '100.00',
  recipient: '5abc123...',
  permit: signedPermit
})

const estimate = await bridge.estimateFee({
  from: 'BASE',
  to: 'SOLANA',
  amount: '100.00'
})

const status = await bridge.getStatus('int_abc123')

const { transaction, intentId } = await bridge.createSolanaTransfer({
  to: 'BASE',
  amount: '100.00',
  fromWallet: publicKey.toBase58(),
  recipient: '0x...'
})

const result = await bridge.submitSolanaTransfer({
  intentId,
  signedTransaction: Buffer.from(signed.serialize()).toString('base64')
})

const permitData = bridge.createPermitTypedData({
  chain: 'BASE',
  owner: '0x...',
  spender: '0x...',
  value: parseUnits('100', 6),
  nonce: 0n
})

import { ApiError, AuthError, RateLimitError } from '@sw4p/bridge'

try {
  await bridge.transfer(params)
} catch (error) {
  if (error instanceof AuthError) {
    console.log('Invalid API key')
  } else if (error instanceof RateLimitError) {
    console.log(`Retry in ${error.retryAfterMs}ms`)
  }
}