OmniAddress Format

<chain>:<address>

// USDC on Ethereum
"eth:0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"

// USDC on Solana
"sol:EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"

// wNEAR on NEAR
"near:wrap.near"

import { getChain, getAddress, omniAddress, ChainKind } from "@omni-bridge/core"

// Parse an OmniAddress
const addr = "eth:0x1234567890123456789012345678901234567890"
const chain = getChain(addr)    // ChainKind.Eth
const raw = getAddress(addr)    // "0x1234567890123456789012345678901234567890"

// Create an OmniAddress
const omni = omniAddress(ChainKind.Eth, "0x1234...")  // "eth:0x1234..."

// Check chain type
import { isEvmChain } from "@omni-bridge/core"

isEvmChain(ChainKind.Eth)   // true
isEvmChain(ChainKind.Base)  // true
isEvmChain(ChainKind.Near)  // false

enum ChainKind {
  Eth = 0,
  Near = 1,
  Sol = 2,
  Arb = 3,
  Base = 4,
  Bnb = 5,
  Btc = 6,
  Zcash = 7,
  Pol = 8
}

try {
  await bridge.validateTransfer({
    token: "eth:0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    sender: "eth:not-a-valid-address",  // Invalid!
    recipient: "near:alice.near",
    amount: 1_000_000n,
    fee: 0n,
    nativeFee: 0n,
  })
} catch (error) {
  // ValidationError with code "INVALID_ADDRESS"
}