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Flow SDK

Rarible Protocol Flow combines smart contracts for minting, exchanging tokens, APIs for order creation, discovery, standards used in smart contracts.

Flow SDK enables applications to interact with protocol easily.

You can find detailed documentation at docs.rarible.org.

Installation

npm i -S @rarible/flow-sdk

Install mono-repository dependencies:

yarn

To install dependencies and add linking run:

yarn bootstrap

To build all packages:

yarn build-all

If you haven't declared the NPM_TOKEN variable in the environment variables, add it with any value or export it temporarily for the current session:

export NPM_TOKEN="123"

Otherwise, the yarn commands will not work.

Testing

To run tests, you need to install flow-cli.

nodejs version 16.9.0 is interrupting on tests with Flow emulator in some cases. It's an upstream bug in V8 present in node 16.9.0. Here's more info about the bug.

Usage

Configure fcl

Flow-sdk use @onflow/fcl-js. You can find configuration details for fcl in this page.

//example config for testnet
import { config } from "@onflow/fcl";

config({
  "accessNode.api": "https://access-testnet.onflow.org", // Mainnet: "https://access-mainnet-beta.onflow.org"
  "discovery.wallet": "https://fcl-discovery.onflow.org/testnet/authn" // Mainnet: "https://fcl-discovery.onflow.org/authn"
})

Create and use flow-sdk

Then we create the SDK according to the network that we configured in the previous step.

import { createFlowSdk } from "@rarible/flow-sdk"
import * as fcl from "@onflow/fcl"

const sdk = createFlowSdk(fcl, "testnet")

Minting

Mint response represents transaction result extended with txId and minted tokenId

import { toBigNumberLike, toFlowAddress } from "@rarible/types"

// royalties - array of objects: {account: FlowAddress, value: BigNumber}, value must be a number between 0 and 1
const yourRoyalties = [{ account: toFlowAddress("0x1234567890abcdef"), value: toBigNumberLike("0.1") }]

const {
  txId, // transaction id
  tokenId, // minted tokenId
  status, // flow transaction status
  statusCode, // flow transaction statusCode - for example: value 4 for sealed transaction
  errorMessage,
  events, // events generated from contract and include all events produced by transaction, deopsits withdrown etc.
} = await sdk.nft.mint(collection, "your meta info", yourRoyalties)

Transfer

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.transfer(collection, tokenId, toFlowAddress)

Burn

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.burn(collection, tokenId)

Create sell order

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.sell(collection, currency, tokenId, price)
// supported currencies for now "FLOW" and "FUSD"
// price must be a string of flow fungible token amount with 8 decimals,  for example: 1.123 or 0.1 or 0.00000001

Update order

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.sell(collection, currency, orderId, price)
// supported currencies for now "FLOW" and "FUSD"
// price must be a string of flow fungible token amount with 8 decimals,  for example: 1.123 or 0.1 or 0.00000001

Cancel order

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.sell(collection, orderId)

Buy an item

const {
  status,
  statusCode,
  errorMessage,
  events,
} = await sdk.nft.fill(collection, orderId, owner)

Suggestions

You are welcome to suggest features and report bugs found!

Contributing

The codebase is maintained using the "contributor workflow" where everyone without exception contributes patch proposals using "pull requests" (PRs). This facilitates social contribution, easy testing, and peer review.

See more information on CONTRIBUTING.md.

License

Rarible Protocol Flow SDK is available under the MIT License.