[Sign TX] Input Overview View

src/app/(sidebar)/transaction/sign/page.tsx

@@ -1,5 +1,198 @@
 "use client";
 
+import { useState } from "react";
+import { Alert, Card, Icon, Text, Button } from "@stellar/design-system";
+import {
+  TransactionBuilder,
+  FeeBumpTransaction,
+  Transaction,
+} from "@stellar/stellar-sdk";
+
+import { useStore } from "@/store/useStore";
+
+import { XdrPicker } from "@/components/FormElements/XdrPicker";
+import { TextPicker } from "@/components/FormElements/TextPicker";
+import { validate } from "@/validate";
+
+import { FEE_BUMP_TX_FIELDS, TX_FIELDS } from "@/constants/signTransactionPage";
+
+const MIN_LENGTH_FOR_FULL_WIDTH_FIELD = 30;
+
 export default function SignTransaction() {
-  return <div>Sign Transaction</div>;
+  const { network } = useStore();
+  const [txEnv, setTxEnv] = useState<string>("");
+  const [isTxValid, setIsTxValid] = useState<boolean | undefined>(undefined);
+  const [txErrMsg, setTxErrMsg] = useState<string>("");
+  const [txSuccessMsg, setTxSuccessMsg] = useState<string>("");
+  const [tx, setTx] = useState<FeeBumpTransaction | Transaction | undefined>(
+    undefined,
+  );
+  const [isTxImported, setIsTxImported] = useState<boolean>(false);
+
+  const onChange = (value: string) => {
+    setTxErrMsg("");
+    setTxSuccessMsg("");
+    setTxEnv(value);
+
+    if (value.length > 0) {
+      const validatedXDR = validate.xdr(value);
+
+      if (validatedXDR.result === "success") {
+        setIsTxValid(true);
+        setTxSuccessMsg(validatedXDR.message);
+      } else {
+        setIsTxValid(false);
+        setTxErrMsg(validatedXDR.message);
+      }
+    }
+  };
+
+  const onImport = () => {
+    try {
+      const transaction = TransactionBuilder.fromXDR(txEnv, network.passphrase);
+      setIsTxImported(true);
+      setTx(transaction);
+    } catch (e) {
+      setIsTxImported(false);
+      setTxErrMsg("Unable to import a transaction envelope");
+    }
+  };
+
+  const rendeImportView = () => {
+    return (
+      <>
+        <Card>
+          <div className="SignTx__xdr">
+            <XdrPicker
+              id="sign-transaction-xdr"
+              label={
+                <Text size="xs" as="span" weight="medium">
+                  Import a transaction envelope in XDR format
+                  <span className="SignTx__icon">
+                    <Icon.AlertCircle />
+                  </span>
+                </Text>
+              }
+              value={txEnv || ""}
+              error={txErrMsg}
+              note={
+                <Text size="xs" as="span" addlClassName="success-message">
+                  {txSuccessMsg}
+                </Text>
+              }
+              onChange={(e) => onChange(e.target.value)}
+            />
+
+            <div className="SignTx__CTA">
+              <Button
+                disabled={!txEnv || !isTxValid}
+                size="md"
+                variant={"secondary"}
+                onClick={onImport}
+              >
+                Import transaction
+              </Button>
+            </div>
+          </div>
+        </Card>
+
+        <Alert
+          placement="inline"
+          variant="primary"
+          actionLink="https://developers.stellar.org/network/horizon/resources"
+          actionLabel="Read more about signatures on the developer's site"
+        >
+          <Text size="sm" as="p">
+            The transaction signer lets you add signatures to a Stellar
+            transaction. Signatures are used in the network to prove that the
+            account is authorized to perform the operations in the transaction.
+          </Text>
+          <Text size="sm" as="p">
+            For simple transactions, you only need one signature from the
+            correct account. Some advanced transactions may require more than
+            one signature if there are multiple source accounts or signing keys.
+          </Text>
+        </Alert>
+      </>
+    );
+  };
+
+  const renderOverviewView = () => {
+    if (!tx) {
+      return;
+    }
+
+    const REQUIRED_FIELDS = [
+      {
+        label: "Signing for",
+        value: network.passphrase,
+      },
+      {
+        label: "Transaction Envelope XDR",
+        value: txEnv,
+      },
+      {
+        label: "Transaction Hash",
+        value: tx.hash().toString("hex"),
+      },
+    ];
+
+    let mergedFields;
+
+    if (tx instanceof FeeBumpTransaction) {
+      mergedFields = [...REQUIRED_FIELDS, ...FEE_BUMP_TX_FIELDS(tx)];
+    } else {
+      mergedFields = [...REQUIRED_FIELDS, ...TX_FIELDS(tx)];
+    }
+
+    return (
+      <>
+        <Card>
+          <div className="SignTx__FieldViewer">
+            {mergedFields.map((field) => {
+              const className =
+                field.value.toString().length >= MIN_LENGTH_FOR_FULL_WIDTH_FIELD
+                  ? "full-width"
+                  : "half-width";
+
+              if (field.label.includes("XDR")) {
+                return (
+                  <div className={className} key={field.label}>
+                    <XdrPicker
+                      readOnly
+                      id={field.label}
+                      label={field.label}
+                      value={field.value.toString()}
+                    />
+                  </div>
+                );
+              } else {
+                return (
+                  <div className={className} key={field.label}>
+                    <TextPicker
+                      readOnly
+                      id={field.label}
+                      label={field.label}
+                      value={field.value.toString()}
+                    />
+                  </div>
+                );
+              }
+            })}
+          </div>
+        </Card>
+      </>
+    );
+  };
+
+  return (
+    <div className="SignTx">
+      <div className="PageHeader">
+        <Text size="md" as="h1" weight="medium">
+          {isTxImported ? "Transaction Overview" : "Sign Transaction"}
+        </Text>
+      </div>
+      {isTxValid && tx ? renderOverviewView() : rendeImportView()}
+    </div>
+  );
 }

src/components/FormElements/PubKeyPicker.tsx

@@ -21,6 +21,7 @@ export const PubKeyPicker = ({
   placeholder = "Ex: GCEXAMPLE5HWNK4AYSTEQ4UWDKHTCKADVS2AHF3UI2ZMO3DPUSM6Q4UG",
   value,
   error,
+  readOnly,
   onChange,
   ...props
 }: PubKeyPickerProps) => (
@@ -32,6 +33,7 @@ export const PubKeyPicker = ({
     placeholder={placeholder}
     value={value}
     error={error}
+    readOnly={readOnly}
     onChange={onChange}
     {...props}
   />

src/components/FormElements/TextPicker.tsx

@@ -8,8 +8,9 @@ interface TextPickerProps extends Omit<InputProps, "fieldSize"> {
   label: string;
   value: string;
   placeholder?: string;
-  error: string | undefined;
-  onChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
+  error?: string | undefined;
+  readOnly?: boolean;
+  onChange?: (e: React.ChangeEvent<HTMLInputElement>) => void;
 }
 
 export const TextPicker = ({
@@ -20,18 +21,18 @@ export const TextPicker = ({
   value,
   error,
   onChange,
+  readOnly,
   ...props
-}: TextPickerProps) => {
-  return (
-    <Input
-      id={id}
-      fieldSize={fieldSize}
-      label={label}
-      labelSuffix={labelSuffix}
-      value={value}
-      error={error}
-      onChange={onChange}
-      {...props}
-    />
-  );
-};
+}: TextPickerProps) => (
+  <Input
+    id={id}
+    fieldSize={fieldSize}
+    label={label}
+    labelSuffix={labelSuffix}
+    value={value}
+    error={error}
+    onChange={onChange}
+    readOnly={readOnly}
+    {...props}
+  />
+);

src/components/FormElements/XdrPicker.tsx

@@ -5,11 +5,13 @@ interface XdrPickerProps extends Omit<TextareaProps, "fieldSize"> {
   id: string;
   fieldSize?: "sm" | "md" | "lg";
   labelSuffix?: string | React.ReactNode;
-  label: string;
+  label: string | React.ReactNode;
   value: string;
   placeholder?: string;
-  error: string | undefined;
-  onChange: (e: React.ChangeEvent<HTMLTextAreaElement>) => void;
+  error?: string | undefined;
+  note?: string | React.ReactNode;
+  onChange?: (e: React.ChangeEvent<HTMLTextAreaElement>) => void;
+  readOnly?: boolean;
 }
 
 export const XdrPicker = ({
@@ -19,21 +21,23 @@ export const XdrPicker = ({
   label,
   value,
   error,
+  note,
   onChange,
+  readOnly,
   ...props
-}: XdrPickerProps) => {
-  return (
-    <Textarea
-      id={id}
-      fieldSize={fieldSize}
-      label={label}
-      labelSuffix={labelSuffix}
-      placeholder="Ex: AAAAABbxCy3mLg3hiTqX4VUEEp60pFOrJNxYM1JtxXTwXhY2AAAAZAAAAAMAAAAGAAAAAAAAAAEAAAAAAAAAAQAAAAAAAAAJAAAAAAAAAAHwXhY2AAAAQCPAo8QwsZe9FA0sz/deMdhlu6/zrk7SgkBG22ApvtpETBhnGkX4trSFDz8sVlKqvweqGUVgvjUyM0AcHxyXZQw="
-      value={value}
-      error={error}
-      rows={5}
-      onChange={onChange}
-      {...props}
-    />
-  );
-};
+}: XdrPickerProps) => (
+  <Textarea
+    id={id}
+    fieldSize={fieldSize}
+    label={label}
+    labelSuffix={labelSuffix}
+    placeholder="Ex: AAAAABbxCy3mLg3hiTqX4VUEEp60pFOrJNxYM1JtxXTwXhY2AAAAZAAAAAMAAAAGAAAAAAAAAAEAAAAAAAAAAQAAAAAAAAAJAAAAAAAAAAHwXhY2AAAAQCPAo8QwsZe9FA0sz/deMdhlu6/zrk7SgkBG22ApvtpETBhnGkX4trSFDz8sVlKqvweqGUVgvjUyM0AcHxyXZQw="
+    value={value}
+    error={error}
+    rows={5}
+    note={note}
+    onChange={onChange}
+    readOnly={readOnly}
+    {...props}
+  />
+);

src/components/MuxedAccountResult.tsx

@@ -17,7 +17,7 @@ export const MuxedAccountResult = ({
       label="Base Account G Address"
       value={baseAddress || ""}
       error=""
-      readOnly={true}
+      readOnly
       copyButton={{
         position: "right",
       }}
@@ -29,7 +29,7 @@ export const MuxedAccountResult = ({
       label="Muxed Account ID"
       value={muxedId || ""}
       error=""
-      readOnly={true}
+      readOnly
       copyButton={{
         position: "right",
       }}
@@ -41,7 +41,7 @@ export const MuxedAccountResult = ({
       label="Muxed Account M Address"
       value={muxedAddress || ""}
       error=""
-      readOnly={true}
+      readOnly
       copyButton={{
         position: "right",
       }}