132 lines
3.8 KiB
TypeScript
132 lines
3.8 KiB
TypeScript
import { Decimal } from "@cosmjs/math";
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import { assert } from "@cosmjs/utils";
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import { useEffect, useState } from "react";
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import { MsgGetter } from "..";
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import { useAppContext } from "../../../../context/AppContext";
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import { checkAddress, exampleAddress } from "../../../../lib/displayHelpers";
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import { isTxMsgUndelegate } from "../../../../lib/txMsgHelpers";
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import { TxMsg, TxMsgUndelegate } from "../../../../types/txMsg";
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import Input from "../../../inputs/Input";
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import StackableContainer from "../../../layout/StackableContainer";
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interface MsgUndelegateFormProps {
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readonly delegatorAddress: string;
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readonly setMsgGetter: (msgGetter: MsgGetter) => void;
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readonly deleteMsg: () => void;
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}
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const MsgUndelegateForm = ({
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delegatorAddress,
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setMsgGetter,
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deleteMsg,
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}: MsgUndelegateFormProps) => {
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const { state } = useAppContext();
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assert(state.chain.addressPrefix, "addressPrefix missing");
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const [validatorAddress, setValidatorAddress] = useState("");
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const [amount, setAmount] = useState("0");
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const [validatorAddressError, setValidatorAddressError] = useState("");
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const [amountError, setAmountError] = useState("");
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useEffect(() => {
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try {
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assert(state.chain.denom, "denom missing");
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setValidatorAddressError("");
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setAmountError("");
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const isMsgValid = (msg: TxMsg): msg is TxMsgUndelegate => {
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assert(state.chain.addressPrefix, "addressPrefix missing");
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const addressErrorMsg = checkAddress(validatorAddress, state.chain.addressPrefix);
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if (addressErrorMsg) {
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setValidatorAddressError(
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`Invalid address for network ${state.chain.chainId}: ${addressErrorMsg}`,
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);
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return false;
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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 false;
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}
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return isTxMsgUndelegate(msg);
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};
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const amountInAtomics = Decimal.fromUserInput(
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amount || "0",
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Number(state.chain.displayDenomExponent),
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).atomics;
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const msg: TxMsgUndelegate = {
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typeUrl: "/cosmos.staking.v1beta1.MsgUndelegate",
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value: {
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delegatorAddress,
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validatorAddress,
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amount: { amount: amountInAtomics, denom: state.chain.denom },
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},
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};
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setMsgGetter({ isMsgValid, msg });
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} catch {}
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}, [
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amount,
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delegatorAddress,
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setMsgGetter,
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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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validatorAddress,
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]);
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return (
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<StackableContainer lessPadding lessMargin>
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<button className="remove" onClick={() => deleteMsg()}>
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✕
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</button>
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<h2>MsgUndelegate</h2>
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<div className="form-item">
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<Input
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label="Validator Address"
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name="validator-address"
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value={validatorAddress}
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onChange={({ target }) => setValidatorAddress(target.value)}
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error={validatorAddressError}
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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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.form-item {
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margin-top: 1.5em;
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}
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button.remove {
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background: rgba(255, 255, 255, 0.2);
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width: 30px;
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height: 30px;
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border-radius: 50%;
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border: none;
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color: white;
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position: absolute;
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right: 10px;
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top: 10px;
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}
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`}</style>
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</StackableContainer>
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);
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};
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export default MsgUndelegateForm;
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