498 lines
11 KiB
TypeScript
498 lines
11 KiB
TypeScript
import { FolkShape } from "./folk-shape";
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import { css, html } from "./tags";
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const styles = css`
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:host {
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background: white;
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
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min-width: 320px;
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min-height: 280px;
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}
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.header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 8px 12px;
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background: #6d28d9;
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color: white;
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border-radius: 8px 8px 0 0;
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font-size: 12px;
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font-weight: 600;
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cursor: move;
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}
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.header-title {
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display: flex;
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align-items: center;
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gap: 6px;
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}
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.header-title .symbol {
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opacity: 0.8;
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font-weight: 400;
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font-size: 11px;
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}
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.header-actions button {
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background: transparent;
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border: none;
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color: white;
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cursor: pointer;
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padding: 2px 6px;
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border-radius: 4px;
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font-size: 14px;
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}
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.header-actions button:hover {
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background: rgba(255, 255, 255, 0.2);
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}
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.ledger-body {
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padding: 12px;
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}
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.summary-row {
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display: flex;
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justify-content: space-between;
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font-size: 12px;
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margin-bottom: 4px;
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}
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.summary-row .label {
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color: #64748b;
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}
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.summary-row .value {
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font-weight: 600;
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color: #1e293b;
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}
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.holder-list {
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max-height: 220px;
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overflow-y: auto;
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margin-top: 10px;
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}
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.holder-item {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 6px 8px;
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font-size: 12px;
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border-radius: 4px;
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margin-bottom: 3px;
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background: #f8fafc;
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}
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.holder-item:hover {
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background: #f1f5f9;
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}
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.holder-info {
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display: flex;
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align-items: center;
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gap: 6px;
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}
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.holder-icon {
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width: 20px;
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height: 20px;
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 10px;
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color: white;
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flex-shrink: 0;
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}
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.holder-name {
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color: #1e293b;
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font-weight: 500;
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}
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.holder-memo {
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font-size: 9px;
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color: #94a3b8;
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}
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.holder-amount {
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font-weight: 600;
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color: #6d28d9;
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white-space: nowrap;
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}
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.escrow-badge {
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font-size: 9px;
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background: #fef3c7;
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color: #92400e;
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padding: 1px 5px;
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border-radius: 3px;
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margin-left: 4px;
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}
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.empty-state {
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text-align: center;
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padding: 16px;
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color: #94a3b8;
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font-size: 12px;
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}
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.issue-form {
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display: flex;
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flex-direction: column;
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gap: 4px;
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padding: 8px 12px;
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border-top: 1px solid #e2e8f0;
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}
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.issue-row {
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display: flex;
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gap: 4px;
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}
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.issue-form input {
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flex: 1;
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padding: 6px 8px;
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border: 1px solid #e2e8f0;
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border-radius: 4px;
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font-size: 12px;
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outline: none;
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}
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.issue-form input:focus {
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border-color: #6d28d9;
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}
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.issue-form input.amount-input {
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width: 80px;
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flex: 0;
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}
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.issue-btn {
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padding: 6px 12px;
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background: #6d28d9;
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color: white;
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border: none;
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border-radius: 4px;
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font-size: 11px;
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font-weight: 600;
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cursor: pointer;
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white-space: nowrap;
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}
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.issue-btn:hover {
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background: #5b21b6;
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}
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.issue-btn:disabled {
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background: #cbd5e1;
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cursor: not-allowed;
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}
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`;
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export interface LedgerEntry {
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id: string;
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holder: string;
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holderLabel: string;
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amount: number;
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issuedAt: string;
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issuedBy: string;
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memo: string;
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}
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declare global {
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interface HTMLElementTagNameMap {
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"folk-token-ledger": FolkTokenLedger;
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}
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}
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export class FolkTokenLedger extends FolkShape {
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static override tagName = "folk-token-ledger";
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static {
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const sheet = new CSSStyleSheet();
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const parentRules = Array.from(FolkShape.styles.cssRules)
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.map((r) => r.cssText)
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.join("\n");
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const childRules = Array.from(styles.cssRules)
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.map((r) => r.cssText)
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.join("\n");
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sheet.replaceSync(`${parentRules}\n${childRules}`);
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this.styles = sheet;
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}
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#mintId = "";
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#entries: LedgerEntry[] = [];
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#headerEl: HTMLElement | null = null;
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#summaryEl: HTMLElement | null = null;
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#listEl: HTMLElement | null = null;
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#issueBtnEl: HTMLButtonElement | null = null;
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get mintId() { return this.#mintId; }
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set mintId(v: string) {
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this.#mintId = v;
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this.#render();
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}
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get entries() { return this.#entries; }
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set entries(v: LedgerEntry[]) {
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this.#entries = v;
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this.#render();
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this.#updateLinkedMint();
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this.dispatchEvent(new CustomEvent("content-change"));
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}
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get totalIssued() {
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return this.#entries.reduce((sum, e) => sum + e.amount, 0);
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}
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addEntry(entry: LedgerEntry) {
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this.#entries.push(entry);
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this.#render();
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this.#updateLinkedMint();
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this.dispatchEvent(new CustomEvent("content-change"));
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}
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#getLinkedMint(): HTMLElement | null {
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if (!this.#mintId) return null;
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return document.getElementById(this.#mintId);
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}
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#getMintInfo(): { name: string; symbol: string; color: string; totalSupply: number } {
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const mint = this.#getLinkedMint() as any;
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if (mint) {
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return {
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name: mint.tokenName || "Token",
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symbol: mint.tokenSymbol || "TKN",
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color: mint.tokenColor || "#6d28d9",
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totalSupply: mint.totalSupply || 0,
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};
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}
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return { name: "Token", symbol: "TKN", color: "#6d28d9", totalSupply: 0 };
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}
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#updateLinkedMint() {
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const mint = this.#getLinkedMint() as any;
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if (mint && typeof mint.issuedSupply !== "undefined") {
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mint.issuedSupply = this.totalIssued;
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}
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}
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#isEmail(s: string): boolean {
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return s.includes("@") && !s.startsWith("did:");
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}
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#holderColor(holder: string): string {
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let hash = 0;
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for (let i = 0; i < holder.length; i++) {
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hash = ((hash << 5) - hash + holder.charCodeAt(i)) | 0;
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}
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const hue = Math.abs(hash) % 360;
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return `hsl(${hue}, 55%, 50%)`;
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}
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override createRenderRoot() {
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const root = super.createRenderRoot();
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const wrapper = document.createElement("div");
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wrapper.innerHTML = html`
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<div class="header">
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<span class="header-title">
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<span>📜</span>
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<span class="name">Token Ledger</span>
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<span class="symbol"></span>
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</span>
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<div class="header-actions">
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<button class="close-btn" title="Close">×</button>
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</div>
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</div>
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<div class="ledger-body">
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<div class="summary"></div>
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<div class="holder-list"></div>
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</div>
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<div class="issue-form">
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<div class="issue-row">
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<input type="text" placeholder="Email or DID..." class="holder-input" />
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<input type="number" placeholder="Amt" class="amount-input" min="1" />
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</div>
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<div class="issue-row">
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<input type="text" placeholder="Memo (optional)" class="memo-input" />
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<button class="issue-btn">Issue</button>
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</div>
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</div>
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`;
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const slot = root.querySelector("slot");
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const containerDiv = slot?.parentElement as HTMLElement;
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if (containerDiv) {
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containerDiv.replaceWith(wrapper);
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}
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this.#headerEl = wrapper.querySelector(".header");
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this.#summaryEl = wrapper.querySelector(".summary");
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this.#listEl = wrapper.querySelector(".holder-list");
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const closeBtn = wrapper.querySelector(".close-btn") as HTMLButtonElement;
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const holderInput = wrapper.querySelector(".holder-input") as HTMLInputElement;
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const amountInput = wrapper.querySelector(".amount-input") as HTMLInputElement;
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const memoInput = wrapper.querySelector(".memo-input") as HTMLInputElement;
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this.#issueBtnEl = wrapper.querySelector(".issue-btn") as HTMLButtonElement;
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closeBtn.addEventListener("click", (e) => {
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e.stopPropagation();
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this.dispatchEvent(new CustomEvent("close"));
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});
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const stopProp = (e: Event) => e.stopPropagation();
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holderInput.addEventListener("click", stopProp);
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amountInput.addEventListener("click", stopProp);
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memoInput.addEventListener("click", stopProp);
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const issueToken = () => {
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const holder = holderInput.value.trim();
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const amount = Number(amountInput.value);
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const memo = memoInput.value.trim();
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if (!holder || !amount || amount <= 0) return;
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// Check supply
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const mintInfo = this.#getMintInfo();
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if (mintInfo.totalSupply > 0 && this.totalIssued + amount > mintInfo.totalSupply) {
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return; // Would exceed supply
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}
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const label = this.#isEmail(holder)
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? holder.split("@")[0]
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: holder.length > 16 ? `${holder.slice(0, 8)}...${holder.slice(-4)}` : holder;
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this.addEntry({
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id: `entry-${Date.now()}-${Math.random().toString(36).slice(2, 6)}`,
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holder,
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holderLabel: label,
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amount,
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issuedAt: new Date().toISOString(),
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issuedBy: "",
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memo: memo || "Issued",
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});
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holderInput.value = "";
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amountInput.value = "";
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memoInput.value = "";
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};
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this.#issueBtnEl.addEventListener("click", (e) => {
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e.stopPropagation();
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issueToken();
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});
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holderInput.addEventListener("keydown", (e) => {
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if (e.key === "Enter") { e.stopPropagation(); issueToken(); }
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});
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amountInput.addEventListener("keydown", (e) => {
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if (e.key === "Enter") { e.stopPropagation(); issueToken(); }
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});
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memoInput.addEventListener("keydown", (e) => {
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if (e.key === "Enter") { e.stopPropagation(); issueToken(); }
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});
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this.#render();
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return root;
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}
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#escapeHtml(text: string): string {
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const div = document.createElement("div");
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div.textContent = text;
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return div.innerHTML;
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}
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#render() {
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if (!this.#headerEl || !this.#summaryEl || !this.#listEl) return;
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const mintInfo = this.#getMintInfo();
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// Update header
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this.#headerEl.style.background = mintInfo.color;
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const nameEl = this.#headerEl.querySelector(".name");
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const symbolEl = this.#headerEl.querySelector(".symbol");
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if (nameEl) nameEl.textContent = `${mintInfo.name} Ledger`;
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if (symbolEl) symbolEl.textContent = mintInfo.symbol;
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// Update issue button color
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if (this.#issueBtnEl) {
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this.#issueBtnEl.style.background = mintInfo.color;
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}
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const totalIssued = this.totalIssued;
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const remaining = mintInfo.totalSupply > 0 ? mintInfo.totalSupply - totalIssued : 0;
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this.#summaryEl.innerHTML = `
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<div class="summary-row">
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<span class="label">Total Issued</span>
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<span class="value">${totalIssued.toLocaleString()} ${this.#escapeHtml(mintInfo.symbol)}</span>
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</div>
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${mintInfo.totalSupply > 0 ? `
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<div class="summary-row">
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<span class="label">Remaining</span>
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<span class="value">${remaining.toLocaleString()} ${this.#escapeHtml(mintInfo.symbol)}</span>
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</div>
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` : ""}
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`;
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// Aggregate balances by holder
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const balances = new Map<string, { label: string; total: number; isEscrow: boolean; lastMemo: string }>();
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for (const entry of this.#entries) {
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const existing = balances.get(entry.holder);
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if (existing) {
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existing.total += entry.amount;
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existing.lastMemo = entry.memo;
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} else {
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balances.set(entry.holder, {
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label: entry.holderLabel,
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total: entry.amount,
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isEscrow: this.#isEmail(entry.holder),
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lastMemo: entry.memo,
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});
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}
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}
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// Sort by balance descending
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const sorted = [...balances.entries()].sort((a, b) => b[1].total - a[1].total);
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if (sorted.length === 0) {
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this.#listEl.innerHTML = '<div class="empty-state">No tokens issued yet</div>';
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} else {
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this.#listEl.innerHTML = sorted
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.map(([holder, info]) => `
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<div class="holder-item">
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<div class="holder-info">
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<div class="holder-icon" style="background: ${info.isEscrow ? '#f59e0b' : this.#holderColor(holder)}">
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${info.isEscrow ? '✉' : info.label.charAt(0).toUpperCase()}
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</div>
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<div>
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<div class="holder-name">
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${this.#escapeHtml(info.label)}${info.isEscrow ? '<span class="escrow-badge">escrow</span>' : ''}
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</div>
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<div class="holder-memo">${this.#escapeHtml(info.lastMemo)}</div>
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</div>
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</div>
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<span class="holder-amount">${info.total.toLocaleString()} ${this.#escapeHtml(mintInfo.symbol)}</span>
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</div>
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`)
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.join("");
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}
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}
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override toJSON() {
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return {
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...super.toJSON(),
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type: "folk-token-ledger",
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mintId: this.#mintId,
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entries: this.#entries,
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};
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}
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}
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