127 lines
4.0 KiB
TypeScript
127 lines
4.0 KiB
TypeScript
import { Decimal } from "@cosmjs/math";
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import { assert } from "@cosmjs/utils";
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import { Dispatch, SetStateAction, useCallback, useEffect, useState } from "react";
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import { useAppContext } from "../../../../context/AppContext";
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import { checkAddress, exampleAddress } from "../../../../lib/displayHelpers";
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import { TxMsg, TxMsgRedelegate } from "../../../../types/txMsg";
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import Input from "../../../inputs/Input";
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interface MsgRedelegateFormProps {
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readonly delegatorAddress: string;
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readonly setCheckAndGetMsg: Dispatch<SetStateAction<(() => TxMsg | null) | undefined>>;
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}
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const MsgRedelegateForm = ({ delegatorAddress, setCheckAndGetMsg }: MsgRedelegateFormProps) => {
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const { state } = useAppContext();
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assert(state.chain.addressPrefix, "addressPrefix missing");
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const [validatorSrcAddress, setValidatorSrcAddress] = useState("");
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const [validatorDstAddress, setValidatorDstAddress] = useState("");
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const [amount, setAmount] = useState("0");
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const [validatorSrcAddressError, setValidatorSrcAddressError] = useState("");
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const [validatorDstAddressError, setValidatorDstAddressError] = useState("");
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const [amountError, setAmountError] = useState("");
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const checkAndGetMsg = useCallback(() => {
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assert(state.chain.addressPrefix, "addressPrefix missing");
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assert(state.chain.denom, "denom missing");
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const srcAddressErrorMsg = checkAddress(validatorSrcAddress, state.chain.addressPrefix);
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if (srcAddressErrorMsg) {
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setValidatorSrcAddressError(
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`Invalid address for network ${state.chain.chainId}: ${srcAddressErrorMsg}`,
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);
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return null;
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}
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const dstAddressErrorMsg = checkAddress(validatorDstAddress, state.chain.addressPrefix);
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if (dstAddressErrorMsg) {
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setValidatorDstAddressError(
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`Invalid address for network ${state.chain.chainId}: ${dstAddressErrorMsg}`,
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);
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return null;
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}
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if (!amount || Number(amount) <= 0) {
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setAmountError("Amount must be greater than 0");
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return null;
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}
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const amountInAtomics = Decimal.fromUserInput(
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amount,
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Number(state.chain.displayDenomExponent),
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).atomics;
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const msg: TxMsgRedelegate = {
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typeUrl: "/cosmos.staking.v1beta1.MsgBeginRedelegate",
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value: {
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delegatorAddress,
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validatorSrcAddress,
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validatorDstAddress,
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amount: [{ amount: amountInAtomics, denom: state.chain.denom }],
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},
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};
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return msg;
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}, [
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amount,
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delegatorAddress,
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state.chain.addressPrefix,
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state.chain.chainId,
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state.chain.denom,
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state.chain.displayDenomExponent,
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validatorDstAddress,
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validatorSrcAddress,
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]);
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useEffect(() => {
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setCheckAndGetMsg(() => checkAndGetMsg);
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}, [checkAndGetMsg, setCheckAndGetMsg]);
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return (
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<>
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<div className="form-item">
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<Input
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label="Source Validator Address"
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name="src-validator-address"
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value={validatorSrcAddress}
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onChange={({ target }) => setValidatorSrcAddress(target.value)}
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error={validatorSrcAddressError}
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placeholder={`E.g. ${exampleAddress(0, state.chain.addressPrefix)}`}
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/>
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</div>
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<div className="form-item">
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<Input
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label="Destination Validator Address"
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name="dst-validator-address"
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value={validatorDstAddress}
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onChange={({ target }) => setValidatorDstAddress(target.value)}
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error={validatorDstAddressError}
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placeholder={`E.g. ${exampleAddress(0, state.chain.addressPrefix)}`}
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/>
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</div>
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<div className="form-item">
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<Input
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type="number"
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label={`Amount (${state.chain.displayDenom})`}
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name="amount"
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value={amount}
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onChange={({ target }) => setAmount(target.value)}
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error={amountError}
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/>
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</div>
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<style jsx>{`
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p {
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margin-top: 15px;
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}
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.form-item {
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margin-top: 1.5em;
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}
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`}</style>
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</>
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);
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};
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export default MsgRedelegateForm;
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