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feat(api): add support for witnetPriceFeeds contract
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import { FeedParamsConfig, Network, NetworksConfig, RouterDataFeedsConfig } from "../types"; | ||
| import { getNetworksListByChain, sortAlphabeticallyByLabel } from "../utils"; | ||
| import { NetworkInfo } from "./NetworkRouter"; | ||
| import { getProvider } from "./provider"; | ||
|
|
||
| export class Configuration { | ||
| private configurationFile: RouterDataFeedsConfig | ||
|
|
||
| constructor(json: RouterDataFeedsConfig) { | ||
| this.configurationFile = json | ||
| } | ||
|
|
||
| // normalize config to fit network schema | ||
| public normalizeNetworkConfig ( | ||
| config: RouterDataFeedsConfig | ||
| ): Array<Omit<NetworksConfig, 'logo'>> { | ||
| // Get a list of networks where every element of the array contains another array with networks that belong to a chain. | ||
| const networks = getNetworksListByChain(config) | ||
|
|
||
| // Put all networks at the same level removing the nested arrays | ||
| const networkConfig = networks.reduce((networks, network) => { | ||
| network.map(network => { | ||
| networks.push({ | ||
| ...network | ||
| }) | ||
| }) | ||
| return networks | ||
| }, []) | ||
| const testnetNetworks = networkConfig.filter(network => !network.mainnet) | ||
| const mainnetNetworks = networkConfig.filter(network => network.mainnet) | ||
| return [ | ||
| ...sortAlphabeticallyByLabel(mainnetNetworks), | ||
| ...sortAlphabeticallyByLabel(testnetNetworks) | ||
| ] | ||
| } | ||
|
|
||
| // return networks using the new price feeds router contract | ||
| public listNetworksUsingPriceFeedsContract(): Array<NetworkInfo> { | ||
| return Object.values(this.configurationFile.chains) | ||
| .flatMap(chain => Object.entries(chain.networks)) | ||
| .filter(([_, network])=> network.legacy === false) | ||
| .map(([networkKey, network]) => { | ||
| return { | ||
| provider: getProvider(networkKey.replaceAll('.', '-') as Network), | ||
| address: network.address, | ||
| pollingPeriod: network.pollingPeriod, | ||
| key: this.fromNetworkKeyToNetwork(networkKey), | ||
| networkName: network.name, | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| public getLegacyConfigurationFile(): RouterDataFeedsConfig { | ||
| const chains = Object.entries(this.configurationFile.chains).reduce((acc, [chainKey, chain]) => { | ||
|
|
||
| if (chain.hide) { | ||
| return acc | ||
| } | ||
|
|
||
| const networks = Object.entries(chain.networks).reduce((accNetworks, [networkKey, network]) => { | ||
| // add the network entry if it's legacy | ||
| return network.legacy ? { ...accNetworks, [networkKey]: network } : accNetworks; | ||
| }, {}) | ||
|
|
||
| return Object.keys(networks).length > 0 ? { ...acc, [chainKey]: { ...chain, networks } } : acc | ||
| }, {}) | ||
|
|
||
| return { | ||
| ...this.configurationFile, | ||
| chains, | ||
| } | ||
| } | ||
|
|
||
| public getFeedConfiguration(priceFeedName: string, network: Network): FeedParamsConfig { | ||
| const defaultFeed = this.configurationFile.feeds[priceFeedName] | ||
| const specificFeedConfiguration = this.getNetworkConfiguration(network).feeds[priceFeedName] | ||
|
|
||
| return { ...defaultFeed, ...specificFeedConfiguration } | ||
| } | ||
|
|
||
| public isFeedActive(caption: string): boolean { | ||
| return Object.keys(this.configurationFile.feeds).includes(caption) | ||
| } | ||
|
|
||
| public getNetworkConfiguration(network: Network) { | ||
| return this.configurationFile.chains[getChain(network)].networks[networkToKey(network)] | ||
| } | ||
|
|
||
| private fromNetworkKeyToNetwork(networkKey: string): Network { | ||
| return networkKey.replace('.', '-') as Network | ||
| } | ||
| } | ||
|
|
||
| export function getChain(network: Network) { | ||
| return network.split('-')[0] | ||
| } | ||
| export function networkToKey(network: Network) { | ||
| return network.replaceAll('-', '.') | ||
| } |
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