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feature (token): added swap functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| export * from "./swap"; | ||
| export * from "./token"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| import { EndpointId } from "@layerzerolabs/lz-definitions"; | ||
| import { Options } from "@layerzerolabs/lz-v2-utilities"; | ||
| import addressesRaw from "@masa-finance/masa-token/addresses.json"; | ||
| import { | ||
| MasaToken__factory, | ||
| MasaTokenAdapter__factory, | ||
| MasaTokenOFT__factory, | ||
| } from "@masa-finance/masa-token/typechain"; | ||
| import { BigNumber, ethers, utils } from "ethers"; | ||
|
|
||
| import { Messages, SupportedNetworks } from "../../collections"; | ||
| import { MasaInterface, NetworkName } from "../../interface"; | ||
|
|
||
| const addresses = addressesRaw as Partial<{ | ||
| [key in NetworkName]: { [key: string]: string }; | ||
| }>; | ||
|
|
||
| /** | ||
| * | ||
| * @param masa | ||
| * @param to | ||
| * @param amount | ||
| * @param slippage | ||
| */ | ||
| export const swap = async ( | ||
| masa: MasaInterface, | ||
| to: NetworkName, | ||
| amount: string, | ||
| slippage = 250, | ||
| ) => { | ||
| const tokenAmount = BigNumber.from(utils.parseEther(amount)); | ||
|
|
||
| // add 2,5% slippage | ||
| const tokenAmountWithSlippage = tokenAmount.add( | ||
| tokenAmount.mul(slippage).div(10000), | ||
| ); | ||
|
|
||
| console.log( | ||
| `Swapping ${parseFloat(amount).toLocaleString()} MASA from ${masa.config.networkName} to ${to}!`, | ||
| ); | ||
|
|
||
| // current wallet | ||
| const address = await masa.config.signer.getAddress(); | ||
|
|
||
| const fromAddresses = addresses[masa.config.networkName]; | ||
| const toAddresses = addresses[to]; | ||
|
|
||
| const toEID = SupportedNetworks[to]?.lzEndpointId; | ||
|
|
||
| if (!fromAddresses || !toAddresses || !toEID) { | ||
| console.log(`Unable to swap from ${masa.config.networkName} to ${to}!`); | ||
| return; | ||
| } | ||
|
|
||
| // console.log(masa.config.networkName, fromAddresses, to, toAddresses); | ||
|
|
||
| const options = Options.newOptions() | ||
| .addExecutorLzReceiveOption(200000, 0) | ||
| .toHex() | ||
| .toString(); | ||
|
|
||
| // console.log(utils.hexlify(utils.zeroPad(toAddresses.MasaTokenAdapter, 32))); | ||
|
|
||
| const sendParam: [ | ||
| EndpointId, | ||
| Uint8Array, | ||
| BigNumber, | ||
| BigNumber, | ||
| string, | ||
| string, | ||
| string, | ||
| ] = [ | ||
| toEID, // Destination endpoint ID. | ||
| utils.zeroPad(address, 32), // Recipient address. | ||
| tokenAmountWithSlippage, // Amount to send in local decimals. | ||
| tokenAmount, // Minimum amount to send in local decimals. | ||
| options, // Additional options supplied by the caller to be used in the LayerZero message. | ||
| "0x", // The composed message for the send() operation. | ||
| "0x", // The OFT command to be executed, unused in default OFT implementations. | ||
| ]; | ||
|
|
||
| console.log( | ||
| `Tokens: ${ethers.utils.formatEther(tokenAmount)} Tokens with Slippage: ${ethers.utils.formatEther(tokenAmountWithSlippage)}`, | ||
| ); | ||
|
|
||
| // origin | ||
| const oft = fromAddresses.MasaTokenAdapter | ||
| ? MasaTokenAdapter__factory.connect( | ||
| fromAddresses.MasaTokenAdapter, | ||
| masa.config.signer, | ||
| ) | ||
| : MasaTokenOFT__factory.connect( | ||
| fromAddresses.MasaTokenOFT, | ||
| masa.config.signer, | ||
| ); | ||
|
|
||
| try { | ||
| const { quoteSend, send } = oft; | ||
|
|
||
| const isPeer = await oft.isPeer( | ||
| toEID, | ||
| utils.zeroPad( | ||
| toAddresses.MasaTokenAdapter ?? toAddresses.MasaTokenOFT, | ||
| 32, | ||
| ), | ||
| ); | ||
|
|
||
| if (!isPeer) { | ||
| console.error("No peer found"); | ||
| } | ||
|
|
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| const [nativeFee] = await quoteSend(sendParam as never, false); | ||
|
|
||
| if (fromAddresses.MasaToken) { | ||
| const masaToken = MasaToken__factory.connect( | ||
| fromAddresses.MasaToken, | ||
| masa.config.signer, | ||
| ); | ||
|
|
||
| const currentAllowance = await masaToken.allowance(address, oft.address); | ||
|
|
||
| if (currentAllowance.lt(tokenAmountWithSlippage)) { | ||
| const newAllowance = tokenAmountWithSlippage.sub(currentAllowance); | ||
|
|
||
| console.log(`Increasing allowance: ${utils.formatEther(newAllowance)}`); | ||
|
|
||
| const { wait, hash } = await masaToken.increaseAllowance( | ||
| oft.address, | ||
| newAllowance, | ||
| ); | ||
|
|
||
| console.log(Messages.WaitingToFinalize(hash)); | ||
|
|
||
| await wait(); | ||
| } | ||
| } | ||
|
|
||
| console.log("Swapping ..."); | ||
|
|
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| const { wait, hash } = await send( | ||
| sendParam as never, | ||
| { | ||
| nativeFee, | ||
| lzTokenFee: 0, | ||
| }, | ||
| address, | ||
| { | ||
| value: nativeFee, | ||
| }, | ||
| ); | ||
|
|
||
| console.log(Messages.WaitingToFinalize(hash)); | ||
|
|
||
| await wait(); | ||
| } catch (error: unknown) { | ||
| if (error instanceof Error) { | ||
| console.error(error.message); | ||
| } | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| import { NetworkName } from "../../interface"; | ||
| import { MasaBase } from "../../masa-base"; | ||
| import { swap } from "./swap"; | ||
|
|
||
| export class MasaToken extends MasaBase { | ||
| swap = (to: NetworkName, amount: string, slippage?: number) => | ||
| swap(this.masa, to, amount, slippage); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,13 @@ | ||
| import { bsctest as bsctestAddresses } from "@masa-finance/masa-contracts-identity/addresses.json"; | ||
| import { bsctest as bsctestAddressesMasaToken } from "@masa-finance/masa-token/addresses.json"; | ||
|
|
||
| import type { Addresses } from "../../interface"; | ||
|
|
||
| const { SoulboundGreen: SoulboundGreenAddress } = bsctestAddresses; | ||
|
|
||
| export const bsctest: Addresses = { | ||
| SoulboundGreenAddress, | ||
| tokens: { | ||
| MASA: bsctestAddressesMasaToken.MasaTokenOFT, | ||
| }, | ||
| }; |
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