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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| export * from "./masa-base"; | ||
| export * from "./masa-linkable"; | ||
| export * from "./masa-module-base"; | ||
| export * from "./masa-sbt-module-base"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| import { BigNumber } from "@ethersproject/bignumber"; | ||
| import type { MasaSBT } from "@masa-finance/masa-contracts-identity"; | ||
| import { utils } from "ethers"; | ||
|
|
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| import { ContractFactory } from "../contracts"; | ||
| import type { PaymentMethod, PriceInformation } from "../interface"; | ||
| import { isNativeCurrency } from "../utils"; | ||
| import { MasaModuleBase } from "./masa-module-base"; | ||
|
|
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| export class MasaSBTModuleBase extends MasaModuleBase { | ||
| /** | ||
| * | ||
| * @param paymentMethod | ||
| * @param contract | ||
| * @param slippage | ||
| */ | ||
| protected getMintPrice = async ( | ||
| paymentMethod: PaymentMethod, | ||
| contract: MasaSBT, | ||
| // slippage in bps where 10000 is 100%. 250 would be 2,5% | ||
| slippage: number | undefined = 250 | ||
| ): Promise<PriceInformation> => { | ||
| const paymentAddress = this.getPaymentAddress(paymentMethod); | ||
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| let mintFee: BigNumber | undefined, | ||
| protocolFee: BigNumber = BigNumber.from(0); | ||
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| try { | ||
| // load protocol and mint fee | ||
| const fees = await contract.getMintPriceWithProtocolFee(paymentAddress); | ||
| mintFee = fees.price; | ||
| protocolFee = fees.protocolFee; | ||
| } catch { | ||
| // ignore this is a soul store 2.0 function and does not work on older contracts | ||
| } | ||
|
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| if (!mintFee) { | ||
| // fallback to classical price calculation | ||
| mintFee = await contract.getMintPrice(paymentAddress); | ||
| } | ||
|
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| // calculate total price | ||
| let price = mintFee.add(protocolFee); | ||
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| if (slippage) { | ||
| if (isNativeCurrency(paymentMethod)) { | ||
| price = MasaModuleBase.addSlippage(price, slippage); | ||
| } | ||
| } | ||
|
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| // total price | ||
| const formattedPrice = await this.formatPrice(paymentAddress, price); | ||
|
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| // mint fee | ||
| const formattedMintFee = await this.formatPrice(paymentAddress, mintFee); | ||
|
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| // protocol fee | ||
| const formattedProtocolFee = await this.formatPrice( | ||
| paymentAddress, | ||
| protocolFee | ||
| ); | ||
|
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| return { | ||
| paymentAddress, | ||
| price, | ||
| formattedPrice, | ||
| mintFee, | ||
| formattedMintFee, | ||
| protocolFee, | ||
| formattedProtocolFee, | ||
| }; | ||
| }; | ||
|
|
||
| /** | ||
| * | ||
| * @param address | ||
| * @param factory | ||
| */ | ||
| protected loadSBTContract = async <Contract extends MasaSBT>( | ||
| address: string, | ||
| factory: ContractFactory | ||
| ): Promise<Contract> => { | ||
| let error = `Smart contract '${address}' does not exist on network '${this.masa.config.networkName}'!`; | ||
|
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| // address invalid, unable to load | ||
| if (!utils.isAddress(address)) { | ||
| error = `Address '${address}' is not valid!`; | ||
| console.error(error); | ||
| throw new Error(error); | ||
| } | ||
| // fetch code to see if the contract exists | ||
| const code: string | undefined = | ||
| await this.masa.config.signer.provider?.getCode(address); | ||
|
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| const contractExists: boolean = !!code && code !== "0x"; | ||
|
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| // no code exists, unable to load | ||
| if (!contractExists) { | ||
| throw new Error(error); | ||
| } | ||
|
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| const contract = (factory as typeof ContractFactory).connect<Contract>( | ||
| address, | ||
| this.masa.config.signer | ||
| ); | ||
|
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||
| // failed to load, unable to load | ||
| if (!contract) { | ||
| console.error(error); | ||
| throw new Error(error); | ||
| } else if (this.masa.config.verbose) { | ||
| console.info(`Loaded contract with name: ${await contract.name()}`); | ||
| } | ||
|
|
||
| return contract; | ||
| }; | ||
| } |
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