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Deno 2.2 Improves Dependency Management and Expands Node.js Compatibility
Deno 2.2 enhances Node.js compatibility, improves dependency management, adds OpenTelemetry support, and expands linting and task automation for developers.
@bancor/carbon-sdk
Advanced tools
The SDK is a READ-ONLY tool, intended to facilitate working with Carbon contracts. It's a convenient wrapper around our matching algorithm, allowing programs and users get a ready to use transaction data that will allow them to manage strategies and fulfi
This SDK is in beta. We cannot be held responsible for any losses caused by use of the SDK.
The SDK is a READ-ONLY tool, intended to facilitate working with Carbon contracts. It's a convenient wrapper around the Carbon matching algorithm and Carbon contracts, allowing programs and users get a ready to use transaction data that will allow them to manage strategies and fulfill trades
Use npm or yarn to install carbon-sdk.
yarn add @bancor/carbon-sdk
import {
PayableOverrides,
TradeActionBNStr,
TokenPair,
MatchActionBNStr,
StrategyUpdate,
EncodedStrategyBNStr,
} from '@bancor/carbon-sdk';
import { Toolkit } from '@bancor/carbon-sdk/strategy-management';
import { ChainCache, initSyncedCache } from '@bancor/carbon-sdk/chain-cache';
import {
ContractsApi,
ContractsConfig,
} from '@bancor/carbon-sdk/contracts-api';
let api: ContractsApi;
let sdkCache: ChainCache;
let carbonSDK: Toolkit;
let isInitialized = false;
let isInitializing = false;
const MAX_BLOCK_AGE = 2000; // past this many blocks, the SDK won't attempt to catch up by processing events and instead call the contracts for strategy info.
const init = async (
rpcUrl: string,
config: ContractsConfig,
decimalsMap?: Map<string, number>,
cachedData?: string
) => {
if (isInitialized || isInitializing) return;
isInitializing = true;
const provider = new StaticJsonRpcProvider(
{ url: rpcUrl, skipFetchSetup: true },
1
);
api = new ContractsApi(provider, config);
const { cache, startDataSync } = initSyncedCache(api.reader, cachedData, MAX_BLOCK_AGE);
sdkCache = cache;
carbonSDK = new Toolkit(
api,
sdkCache,
decimalsMap
? (address) => decimalsMap.get(address.toLowerCase())
: undefined
);
sdkCache.on('onPairDataChanged', (affectedPairs) =>
onPairDataChanged(affectedPairs)
);
sdkCache.on('onPairAddedToCache', (affectedPairs) =>
onPairAddedToCache(affectedPairs)
);
await startDataSync();
isInitialized = true;
isInitializing = false;
};
0
(default) only prints errors and important logs.1
(debug) prints highly verbose logs.2
(debug readable) is same as 1
but also converts any BigNumber to an easy to read string (impacting performance).To use it in Node, set the environment variable CARBON_DEFI_SDK_VERBOSITY
to the desired level.
To use it from a browser app do, before importing the SDK:
window.CARBON_DEFI_SDK_VERBOSITY = 2;
Pull requests are welcome!
For major changes, please open an issue first to discuss what you would like to change.
Please make sure to update tests as appropriate.
FAQs
The SDK is a READ-ONLY tool, intended to facilitate working with Carbon contracts. It's a convenient wrapper around our matching algorithm, allowing programs and users get a ready to use transaction data that will allow them to manage strategies and fulfi
The npm package @bancor/carbon-sdk receives a total of 187 weekly downloads. As such, @bancor/carbon-sdk popularity was classified as not popular.
We found that @bancor/carbon-sdk demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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