This document provides code examples for interacting with the Filecoin bridge using Textile's storage libraries for Ethereum and NEAR. It shows how to initialize storage on each chain, add a deposit to the bridge, store a file, and check the storage status. The Ethereum example imports the ethers library and initializes storage after requesting sign in. For NEAR, it imports the near-api-js library, connects a wallet, and initializes storage after requesting sign in. Both examples store a file, check the status, and include calls to add a deposit to the bridge and get the file ID and CID.

12. Filecoin Master Class // Intro to Buckets
Filecoin Master Class // Intro to Buckets

15. Into the Powergate - Andrew Hill & Aaron Sutula
Into the Powergate - Andrew Hill & Aaron Sutula

22. // ETH/Polygon
import "@openzeppelin/.../Initializable.sol";
import "@openzeppelin/.../OwnableUpgradeable.sol";
import "@openzeppelin/.../EnumerableSetUpgradeable.sol";
contract BridgeRegistry is Initializable, OwnableUpgradeable {
// Events
event AddProvider(address indexed provider);
event RemoveProvider(address indexed provider);
// API
function addProvider(address provider) public onlyOwner;
function listProviders() public view returns (address[] memory);
function removeProvider(address provider) public onlyOwner;
}
// NEAR
import "@textile/ownable/assembly";
// Logging
function ProviderAdded(provider: string): void;
function ProviderRemoved(provider: string): void;
// API
export function addProvider(provider: string): void;
export function removeProvider(provider: string): void;
export function listProviders(): string[];

23. // ETH/Polygon
contract BridgeProvider is Initializable, OwnableUpgradeable {
// Parameter
string public apiEndpoint;
// Events
event AddDeposit(
address indexed depositee,
address indexed depositor,
uint256 amount
);
event ReleaseDeposit(
address indexed depositee,
address indexed depositor,
uint256 amount
);
// API
function addDeposit(address depositee) public payable;
function hasDeposit(address depositee) public view returns (bool);
function releaseDeposit(address depositee) public;
function releaseDeposits() public;
}

24. // NEAR
import "@textile/ownable/assembly";
// Parameter
export function apiEndpoint(): string;
// Logging
function DepositAdded(depositee: string, depositor: string, amount: u128): void;
function DepositReleased(
depositee: string,
depositor: string,
amount: u128
): void;
// API
export function addDeposit(depositee: string): void;
export function hasDeposit(depositee: string): bool;
export function releaseDeposits(
start: u32 = 0,
end: u32 = deposits.length
): void;

26. Textile | Introduction to the Filecoin Bridge
Textile | Introduction to the Filecoin Bridge

29. import { providers } from "ethers";
import { init, requestSignIn } from "@textile/eth-storage";
await requestSignIn();
const provider = new providers.Web3Provider(window.ethereum);
const wallet = provider.getSigner();
const storage = await init(wallet);
const blob = new Blob(["Hello, world!"], { type: "text/plain" });
const file = new File([blob], "welcome.txt", {
type: "text/plain",
lastModified: new Date().getTime()
});
await storage.addDeposit();
const { id, cid } = await storage.store(file);
const { request, deals } = await storage.status(id);
console.log(request.status_code);
console.log([...deals]);

30. import { connect, WalletConnection } from "near-api-js";
import { init, requestSignIn } from "@textile/near-storage";
const near = await connect({ ... });
const wallet = new WalletConnection(near, null);
await requestSignIn(wallet);
const storage = init(wallet.account());
const blob = new Blob(["Hello, world!"], { type: "text/plain" });
const file = new File([blob], "welcome.txt", {
type: "text/plain",
lastModified: new Date().getTime(),
});
await storage.addDeposit();
const { id, cid } = await storage.store(file);
const { request, deals } = await storage.status(id)
console.log(request.status_code)
console.log([...deals])
await wallet.signOut();