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1let l=I(r??b),u=_;if(r)try{u=await q(l,s,!0)}catch(e){return k(`Failed to load mint wallet: ${e.message}`),null}if(!u)return k(`Wallet not initialized`),null;let d=await Si(dt),f=!1;try{O(!0),k(``);let r=await R.current.withProofLock(async()=>{let r=H(await R.current.getProofsForMint(l,o,D.current??void 0)),s=r.reduce((e,t)=>{let n=Number(t.amount);return e+(Number.isInteger(n)&&n>0?n:0)},0);if(s<e)throw Error(`Insufficient balance: ${s} sats available`);let c=l;await R.current.writeProofRecovery(c,r,o);let d={proofsWeHave:r};if(n){let e=n.toLowerCase(),t=/^[0-9a-f]{64}$/.test(e)?`02`+e:/^0[23][0-9a-f]{64}$/.test(e)?e:null;if(!t)throw Error(`Invalid recipient P2PK pubkey`);d.pubkey=t,d.includeDleq=!0}let p=i?Zr(i):null;f=!0;let m=await U(p?u.swap(e,r,{proofsWeHave:r,p2pk:p}):u.send(e,r,d),Gt.current,`Send`,()=>setTimeout(()=>At.current(),0));if(!m||!Array.isArray(m.send)||!Array.isArray(m.keep))throw Error(`Mint returned invalid send response`);let h=H(V(m.send)),g=H(V(m.keep));await R.current.writeProofRecovery(c,g,o),h.length>0&&await R.current.writeSendRecovery(c,h,o);let _=s,v=B(h)+B(g);if(B(h)!==e)throw Error(`Mint returned send proofs with incorrect total amount`);if(v>_)throw Error(`Mint returned invalid proofs: outputs exceed inputs`);let y=new Set(r.map(e=>String(e.secret))),b=!d.pubkey&&h.length>0&&h.every(e=>y.has(String(e.secret)))&&g.every(e=>y.has(String(e.secret))),x=0;try{x=u.getFeesForProofs(r)}catch{x=Math.max(1,Math.floor(_*.001))}if(!b&&!je(x,_,5e4))throw Error(`Mint fee exceeds maximum allowed`);let ee=_-v;if(ee<0||!b&&ee>x)throw Error(`Mint returned invalid proofs: fee exceeds reported fee`);if(!b){for(let e of h)if(y.has(String(e.secret)))throw Error(`Mint returned unspent input proofs as send outputs`)}await R.current.assertProofLockOwnership(),await R.current.saveProofsForMint(c,g,o),R.current.writeProofStoreTimestamp(c),R.current.clearProofRecovery(c);let S;try{S=ae({mint:c,proofs:h,memo:t,unit:`sat`})}catch(e){w.error(`Token encoding failed â saving recovery data:`,e);try{await R.current.writeSendRecovery(c,h,o)}catch{}throw Error(`Failed to encode token â your proofs have been saved for recovery`)}if(a)try{localStorage.setItem(a.key,JSON.stringify({token:S,...a.metadata??{},dmState:`failed`}))}catch(e){w.warn(`Failed to persist delivery outbox:`,e)}R.current.clearSendRecovery(c);try{await R.current.withTxLock(async()=>{await R.current.addTransaction({type:`send`,amount:e,memo:t||`Cashu send`,mintUrl:l,status:`completed`},o,D.current??void 0)}),await $()}catch(e){w.error(`Failed to record send transaction:`,e),A.current&&k(`Send succeeded but transaction record failed`)}return await Z(),S});return X(l,`out`,e).catch(e=>{w.warn(`NIP-60 send sync deferred/failed:`,e)}),A.current&&K(`Sent ${e} sats`),r}catch(e){w.error(`Send error:`,e);let t=typeof e?.status==`number`?e.status:null,n=typeof e?.message==`string`&&/not enough (funds|balance)/i.test(e.message);St.current=f&&t===null&&!n;let r=typeof e?.message==`string`&&e.message.includes(`timed out`);return A.current&&k(r?`Send timed out â the mint may still have processed it. Check your balance before sending again; if it decreased, the recovery journal will reconcile automatically.`:`Failed to send: ${e.message}`),null}finally{d(),A.current&&O(!1),await G(),(()=>{try{let e=[];for(let t=0;t<localStorage.length;t++){let n=localStorage.key(t);n&&n.startsWith(L.current+`recovery_`)&&e.push(n)}for(let t of e)try{localStorage.removeItem(t)}catch{}}catch{}})()}},[_,b,q,G,Z,$,X]),Sn=(0,C.useCallback)((e,t,n,r,i)=>xn(e,t,n,r,void 0,i),[xn]),Cn=(0,C.useCallback)(async(e,t,n=``,r)=>{let i=t?.toLowerCase()??``;return!/^[0-9a-f]{64}$/.test(i)&&!/^0[23][0-9a-f]{64}$/.test(i)?(k(`Invalid recipient P2PK pubkey`),null):xn(e,n,t,r)},[xn]),wn=(0,C.useCallback)(async(e,t,n=``,r)=>{try{Zr(t)}catch(e){return k(`Invalid escrow lock: ${e?.message??e}`),null}return xn(e,n,void 0,r,t)},[xn]),Tn=(0,C.useCallback)(async(e,t)=>!t||t.length!==64?(k(`Invalid P2PK private key`),0):yn(e,t),[yn]),En=(0,C.useCallback)(async e=>{let t=Y();return t?yn(e,g(t.privkey)):(k(`Set up your Cashu wallet first â no wallet key to
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1d BOLT12 paid amount (${f}). Contact the mint operator if this persists.`);let p=l?f:t,m=l?d?.quoteId===e?`ISSUED`:f>0?`PAID`:`UNPAID`:u?.state;if(m===`UNPAID`&&u&&typeof u.expiry==`number`&&u.expiry>0&&Date.now()>u.expiry*1e3)throw await o(`expired`),Error(`Mint quote has expired. Create a new invoice.`);if(m===`UNPAID`)throw Error(`${l?`Offer`:`Invoice`} not yet paid. Pay it first, then try again.`);if(!u||m!==`PAID`&&m!==`ISSUED`)throw Error(`Payment is still being processed. Wait a moment and try again.`);let h=await R.current.loadMintedQuotes(r,D.current??void 0);if(n===`bolt11`&&h.includes(e))throw Error(`This quote has already been minted`);let v=(await R.current.loadTransactions(r,D.current??void 0)).find(t=>t.type===`mint`&&t.quoteId===e);c=v?.quoteEventId;let y=v?.quotePrivateKey;if(d&&d.quoteId!==e){let e;try{e=await U(_.restore(d.counterStart,100),6e4,`Recover interrupted mint`)}catch(e){throw Error(`A previous mint from this wallet was interrupted and could not be recovered (${e?.message??`restore failed`}). Try again once the mint is reachable.`)}let t=H(e?.proofs??[]);if(t.length>0){let e=H(V([...H(await R.current.getProofsForMint(a,r,D.current??void 0)),...t]));await R.current.saveProofsForMint(a,e,r),R.current.writeProofStoreTimestamp(a),d.method===`bolt12`?await R.current.addTransaction({type:`mint`,amount:B(t),memo:`BOLT12 deposit`,mintUrl:a,status:`completed`,quoteId:d.quoteId,bolt12:!0},r,D.current??void 0):(await R.current.writeMintedQuote(d.quoteId,r),await o(`completed`,d.quoteId,d.amount))}let n=await R.current.loadMintCounter(a);await R.current.saveMintCounter(a,Math.max(n,d.counterStart+100)),await R.current.clearPendingMint(a)}let x,ee=!1;if(m===`ISSUED`){let t=d&&d.quoteId===e?d.counterStart:await R.current.loadMintCounter(a);if(x=H((await U(_.restore(t,100),6e4,`Restore issued proofs`))?.proofs??[]),x.length===0)throw await o(`failed`),Error(`This quote was already issued by the mint, but the proofs could not be recovered. Contact support with your quote ID.`);ee=!0;let n=await R.current.loadMintCounter(a);await R.current.saveMintCounter(a,Math.max(n,t+100)),await R.current.clearPendingMint(a)}else{let t=await R.current.loadMintCounter(a);if(await R.current.writePendingMint(a,{quoteId:e,counterStart:t,amount:p,timestamp:Date.now(),method:n},r),x=await U(l?_.mintProofsBolt12(p,l,y??g(nt.current.privkey),{counter:t}):typeof u.pubkey==`string`&&y?_.mintProofs(p,u,{counter:t,privateKey:y}):_.mintProofs(p,e,{counter:t}),6e4,`Mint proofs`,()=>setTimeout(()=>At.current(),0)),!Array.isArray(x)||x.length===0)throw Error(`Mint returned no proofs`);await R.current.saveMintCounter(a,t+x.length)}n===`bolt11`&&await R.current.writeMintedQuote(e,r),await R.current.writeProofRecovery(a,H(x),r);let S=B(x);if(s=S,!ee&&S!==p)throw Error(`Mint returned proofs with incorrect total amount`);let te=H(await R.current.getProofsForMint(a,r,D.current??void 0)),ne=new Set(_.keysets.filter(e=>e.active).map(e=>e.id)),re=Ie(x,{activeKeysetIds:ne,localSecrets:new Set(te.map(e=>String(e?.secret))),getKeyset:e=>_.keys.get(e),requireDleq:!0});if(!re.valid)throw Error(re.reason);let ie=await U(an(a,x,i),15e3,`Check minted proof states`);if(ie.length!==x.length)throw Error(`Mint returned spent proofs`);x=H(ie);let ae=H(V([...te,...x]));await R.current.writeProofRecovery(a,ae,r),await R.current.assertProofLockOwnership(),await R.current.saveProofsForMint(a,ae,r),R.current.writeProofStoreTimestamp(a),R.current.clearProofRecovery(a),await R.current.clearPendingMint(a),await R.current.withTxLock(async()=>{let t=await R.current.loadTransactions(r,D.current??void 0),i=t.findIndex(t=>t.type===`mint`&&t.status===`pending`&&t.mintUrl===b&&(t.quoteId===e||t.amount===S&&!t.quoteId));i>=0&&n===`bolt11`?await R.current.updateTransactionStatus(t[i].id,`completed`,r,D.current??void 0):await R.current.addTransaction({type:`mint`,amount:S,memo:n===`bolt12`?`BOLT12 deposit`:`Lightning deposit`,mintUrl:b,status:`completed`,quoteId:e,bolt12:n===`bolt12`||void 0},r,D.current??void 0)}),await $(),await Z()});let l=await X(I(b),`in`,s),u=N.current;if(l&&c&&u&&!z.current){let e=await Ot([c],u.signer,`mint quote completed`,[J(),[`k`,String(rt)]]);e&&await u.publish(e)}return A.current&&K(`${s} sats minted successfully!`),!0}catch(e){return A.current&&k(`Mint failed: ${e.message}`),!1}finally{o(),A.current&&O(!1),await G()}},[_,b,G,Z,$,X,an,J]),Mn=(0,C.useCallback)(async e=>{let t=e.trim(),{amountMsats:n}=de(t);if(!n||!Number.isSafeInteger(n)||n%1e3!=0)return k(`NUT-15 requires a valid BOLT11 invoice with a whole-sat amount`),null;let r=T.current;if(!r||!E.current)return k(`Wallet not initialized`),null;try{O(!0),k(``);let e=(await Promise.all(Object.entries(fe).map(async([e,t])=>
1{if(!Number.isSafeInteger(t)||t<=1)return null;try{let n=await q(e,r),i=(await n.lazyGetMintInfo()).isSupported(15);return i.supported&&(i.params??[]).some(e=>e.method===`bolt11`&&e.unit===`sat`)?{mintUrl:I(e),balanceSats:t,wallet:n}:null}catch(t){return w.warn(`Skipping unavailable NUT-15 mint:`,e,t),null}}))).filter(e=>e!==null),i=hi(n,e,we),a=new Map(e.map(e=>[e.mintUrl,e])),o=await Promise.all(i.map(async e=>{let n=a.get(e.mintUrl);if(!n)throw Error(`NUT-15 allocation referenced an unavailable mint`);let r=await U(n.wallet.createMultiPathMeltQuote(t,e.amountMsats),3e4,`NUT-15 melt quote creation`),i=Number(r.amount),o=Number(r.fee_reserve);if(i!==e.amountSats||!Number.isSafeInteger(o)||o<0||r.state&&r.state!==`UNPAID`)throw Error(`Mint returned an invalid NUT-15 quote for ${e.mintUrl}`);if(i+o>e.balanceSats)throw Error(`NUT-15 fees exceed the available balance at ${e.mintUrl}`);if(!je(o,e.balanceSats,5e4))throw Error(`NUT-15 fee reserve exceeds the wallet limit at ${e.mintUrl}`);return{...e,quote:r}}));return{id:globalThis.crypto.randomUUID(),invoice:t,amountSats:n/1e3,totalFeeReserveSats:o.reduce((e,t)=>e+Number(t.quote.fee_reserve),0),createdAt:Date.now(),legs:o}}catch(e){return A.current&&k(`Multi-mint payment unavailable: ${e instanceof Error?e.message:`unknown error`}`),null}finally{A.current&&O(!1)}},[fe,q]),Nn=(0,C.useCallback)(async e=>{let t=T.current,n=E.current;if(!t||!n)return k(`Wallet not initialized`),{success:!1,amount:0};let r=de(e.invoice),i=e.legs.map(e=>I(e.mintUrl));if(Date.now()-e.createdAt>600*1e3||e.legs.length<2||e.legs.length>4||new Set(i).size!==i.length||r.amountMsats!==e.amountSats*1e3||e.legs.reduce((e,t)=>e+t.amountMsats,0)!==r.amountMsats)return k(`This multi-mint payment plan is invalid or expired. Create a new plan.`),{success:!1,amount:0};let a=await Si(dt);try{O(!0),k(``);let r=await R.current.withProofLock(async()=>{let r=await R.current.loadTransactions(n,D.current??void 0),a=[];for(let[o,s]of e.legs.entries()){let e=i[o];if(r.some(t=>t.type===`melt`&&t.status===`pending`&&I(t.mintUrl)===e))throw Error(`Another payment from ${e} is still resolving`);if((await R.current.loadMeltInputRecovery(e,n,D.current??void 0))?.proofs.length)throw Error(`A previous payment from ${e} is still resolving`);let c=await q(e,t),l=H(await R.current.getProofsForMint(e,n,D.current??void 0)),u=Number(s.quote.amount),d=Number(s.quote.fee_reserve);if(u!==s.amountSats||s.amountMsats!==u*1e3||s.quote.state&&s.quote.state!==`UNPAID`)throw Error(`Stale or invalid quote from ${e}`);let f=c.selectProofsToSend(l,u+d,!0),p=H(V(f.send)),m=H(V(f.keep)),h=B(p);if(h<u+d||!je(d,h,5e4))throw Error(`Insufficient balance or excessive fee at ${e}`);a.push({leg:s,mintUrl:e,wallet:c,original:l,selected:p,keep:m,inputAmount:h})}try{for(let e of a){await R.current.writeMeltInputRecovery(e.mintUrl,e.selected,n);let t=await R.current.loadMeltInputRecovery(e.mintUrl,n,D.current??void 0);if(!t||t.proofs.length!==e.selected.length)throw Error(`Could not durably journal ${e.mintUrl}`);await R.current.saveProofsForMint(e.mintUrl,e.keep,n),R.current.writeProofStoreTimestamp(e.mintUrl)}for(let t of a)t.txId=await R.current.addTransaction({type:`melt`,amount:t.leg.amountSats,memo:`Multi-mint Lightning payment (pending)`,mintUrl:t.mintUrl,status:`pending`,quoteId:t.leg.quote.quote,expiresAt:typeof t.leg.quote.expiry==`number`?t.leg.quote.expiry*1e3:void 0,mppGroupId:e.id,mppAmountMsats:t.leg.amountMsats,mppLegCount:a.length},n,D.current??void 0)}catch(e){for(let e of a)await R.current.saveProofsForMint(e.mintUrl,e.original,n),R.current.clearMeltInputRecovery(e.mintUrl);throw e}let o=await Promise.allSettled(a.map(e=>U(e.wallet.meltProofs(e.leg.quote,e.selected),6e4,`NUT-15 melt leg`))),s=!1,c=!1;for(let[e,t]of o.entries()){let r=a[e];if(t.status===`rejected`){s=!0;continue}try{let e=t.value;if(!e||!Array.isArray(e.change))throw Error(`Invalid melt response`);let i=H(V(e.change)),a=Ie(i,{activeKeysetIds:new Set(r.wallet.keysets.filter(e=>e.active).map(e=>e.id)),localSecrets:new Set([...r.selected,...r.keep].map(e=>String(e?.secret))),getKeyset:e=>r.wallet.keys.get(e),requireDleq:!0});
1if(!a.valid)throw Error(a.reason);i.length&&await R.current.writeMeltChangeRecovery(r.mintUrl,i,n);let o=B(i),l=Number(r.leg.quote.fee_reserve);if(o>r.inputAmount-r.leg.amountSats||o<r.inputAmount-r.leg.amountSats-l)throw Error(`Invalid melt change amount`);let u=e.quote?.state;u===`UNPAID`?(await R.current.saveProofsForMint(r.mintUrl,r.original,n),R.current.clearMeltInputRecovery(r.mintUrl),R.current.clearMeltChangeRecovery(r.mintUrl),r.txId&&await R.current.updateTransactionStatus(r.txId,`failed`,n,D.current??void 0),c=!0):u===`PAID`?(await R.current.saveProofsForMint(r.mintUrl,H(V([...r.keep,...i])),n),R.current.clearMeltInputRecovery(r.mintUrl),R.current.clearMeltChangeRecovery(r.mintUrl),r.txId&&await R.current.updateTransactionStatus(r.txId,`completed`,n,D.current??void 0)):(await R.current.saveProofsForMint(r.mintUrl,H(V([...r.keep,...i])),n),s=!0),R.current.writeProofStoreTimestamp(r.mintUrl)}catch(e){w.warn(`NUT-15 leg requires reconciliation:`,r.mintUrl,e),s=!0}}return await R.current.assertProofLockOwnership(),{pending:s,failed:c}});await Z(),await $();for(let t of e.legs)r.failed||await X(I(t.mintUrl),`out`,t.amountSats);return r.pending?K(`Multi-mint payment submitted â resolving all legs`):r.failed?k(`Multi-mint payment failed. Any unresolved legs will keep reconciling.`):K(`Multi-mint payment sent!`),{success:!r.failed,amount:r.failed?0:e.amountSats,pending:r.pending||void 0}}catch(e){return w.error(`NUT-15 payment failed:`,e),A.current&&k(`Multi-mint payment failed: ${e instanceof Error?e.message:`unknown error`}`),{success:!1,amount:0}}finally{a(),A.current&&O(!1),await G()}},[Z,q,$,X,G]),Pn=(0,C.useCallback)(async e=>{let t=typeof e==`string`?e.trim():``;if(!t||t.length<10||t.length>1e4||!t.toLowerCase().startsWith(`ln`))return k(`Invalid Lightning invoice`),{success:!1,amount:0};if(!_||!E.current)return k(`Wallet not initialized`),{success:!1,amount:0};let n=await Si(dt);try{O(!0),k(``);let{amount:t,preimage:n,quote:r,state:i}=await R.current.withProofLock(async()=>{let t=await U(_.createMeltQuote(e),3e4,`Melt quote creation`),n=H(await R.current.getProofsForMint(I(b),E.current,D.current??void 0)),r=n.reduce((e,t)=>{let n=Number(t.amount);return e+(Number.isInteger(n)&&n>0?n:0)},0),i=Number(t.amount)||0,a=Number(t.fee_reserve)||0,o=i+a;if(r<o)throw Error(`Need ${o} sats (inc. fee), have ${r}`);let s=t.state;if(s&&s!==`UNPAID`)throw Error(`Melt quote is not available: ${s}`);if(!je(a,r,5e4))throw Error(`Melt fee reserve exceeds maximum allowed`);let c=I(b);try{if((await R.current.loadTransactions(E.current,D.current??void 0)).some(e=>e.type===`melt`&&e.status===`pending`&&I(e.mintUrl)===c))throw Error(`Another payment from this mint is still resolving â wait for it to finish before paying again.`);let e=await R.current.loadMeltInputRecovery(c,E.current,D.current??void 0);if(e&&e.proofs.length>0)throw Error(`A previous payment from this mint is still resolving â wait for it to finish before paying again.`)}catch(e){if(typeof e?.message==`string`&&e.message.includes(`still resolving`))throw e;w.warn(`Pending-melt guard check failed; proceeding:`,e)}let l=_.selectProofsToSend(n,o,!0),u=H(V(l.send)),d=H(V(l.keep)),f=B(u);if(f<o)throw Error(`Selected proofs insufficient: need ${o}, selected ${f}`);if(!je(a,f,5e4))throw Error(`Melt fee reserve exceeds maximum allowed for selected proofs`);await R.current.writeMeltInputRecovery(c,u,E.current);let p=async()=>{try{await R.current.withTxLock(async()=>{await R.current.addTransaction({type:`melt`,amount:i,memo:`Lightning payment (outcome unknown â resolving)`,mintUrl:b,status:`pending`,quoteId:t.quote,expiresAt:typeof t.expiry==`number`&&t.expiry>0?t.expiry*1e3:void 0},E.current,D.current??void 0)})}catch(e){w.error(`Failed to record pending melt tx:`,e)}},m;try{m=await U(_.meltProofs(t,u),6e4,`Melt proofs`)}catch(e){throw await p(),e}let h;try{if(!m||!Array.isArray(m.change))throw Error(`Mint returned invalid melt response`);h=H(V(m.change));let e=new Set(_.keysets.filter(e=>e.active).map(e=>e.id)),t=new Set([...u,...d].map(e=>String(e?.secret))),n=Ie(h,{activeKeysetIds:e,localSecrets:t,getKeyset:e=>_.keys.get(e),requireDleq:!0});if(!n.valid)throw Error(`Invalid change proofs: ${n.reason}`);h.length>0&&await R.current.writeMeltChangeRecovery(c,h,E.current);let r=B(m.change);
1if(r>f-i)throw Error(`Mint returned invalid change: exceeds available amount`);if(r<f-i-a)throw Error(`Mint returned invalid change: missing required amount`);let o=f-r-i;if(o<0||o>a||!je(o,f,5e4))throw Error(`Mint returned invalid melt fee`)}catch(e){throw await p(),e}await R.current.assertProofLockOwnership();let g=m.quote?.state,v=Number(t.amount)||0,y=async()=>{try{await R.current.withTxLock(async()=>{g===`UNPAID`?await R.current.addTransaction({type:`melt`,amount:v,memo:`Lightning payment (failed)`,mintUrl:b,status:`failed`,quoteId:t.quote},E.current,D.current??void 0):g===`PENDING`?await R.current.addTransaction({type:`melt`,amount:v,memo:`Lightning payment (pending)`,mintUrl:b,status:`pending`,quoteId:t.quote,expiresAt:typeof t.expiry==`number`&&t.expiry>0?t.expiry*1e3:void 0},E.current,D.current??void 0):g===`PAID`?await R.current.addTransaction({type:`melt`,amount:v,memo:`Lightning payment`,mintUrl:b,status:`completed`,quoteId:t.quote},E.current,D.current??void 0):await R.current.addTransaction({type:`melt`,amount:v,memo:`Lightning payment (pending)`,mintUrl:b,status:`pending`,quoteId:t.quote,expiresAt:typeof t.expiry==`number`&&t.expiry>0?t.expiry*1e3:void 0},E.current,D.current??void 0)}),await $()}catch(e){w.error(`Failed to record melt transaction:`,e),A.current&&k(`Payment result recorded but transaction record failed`)}};if(g===`UNPAID`){let e=await R.current.loadMeltInputRecovery(c,E.current,D.current??void 0);if(e&&e.proofs.length>0){let n=T.current;if(!n)throw Error(`Wallet seed is not available`);let r=e.proofs,i=[];try{let e=await on(c,r,n),t=new Set(e.map(e=>String(e?.secret)));i=H(r.filter(e=>!t.has(String(e?.secret)))),r=e}catch(e){return w.warn(`Could not verify unspent state during melt UNPAID recovery; keeping existing store:`,c,e),await Z(),await y(),{quote:t,amount:v,preimage:m.quote?.payment_preimage||void 0,state:g}}let a=H(V([...d,...r]));if(await R.current.assertProofLockOwnership(),await R.current.saveProofsForMint(c,a,E.current),R.current.writeProofStoreTimestamp(c),i.length>0)return await R.current.writeMeltInputRecovery(c,i,E.current),R.current.clearMeltChangeRecovery(c),await Z(),await y(),{quote:t,amount:v,preimage:m.quote?.payment_preimage||void 0,state:g}}return R.current.clearMeltInputRecovery(c),R.current.clearMeltChangeRecovery(c),await Z(),await y(),{quote:t,amount:v,preimage:m.quote?.payment_preimage||void 0,state:g}}let x=H(V([...d,...h]));return g===`PENDING`||g!==`PAID`&&g!==`UNPAID`?(await R.current.saveProofsForMint(c,x,E.current),R.current.writeProofStoreTimestamp(c),await Z(),await y(),{quote:t,amount:v,preimage:m.quote?.payment_preimage||void 0,state:g}):(await R.current.saveProofsForMint(c,x,E.current),R.current.writeProofStoreTimestamp(c),R.current.clearMeltInputRecovery(c),R.current.clearMeltChangeRecovery(c),await Z(),await y(),{quote:t,amount:v,preimage:m.quote?.payment_preimage||void 0,state:g})});return i!==`UNPAID`&&await X(I(b),`out`,t),i===`UNPAID`?(A.current&&k(`Payment failed: invoice was not paid`),{success:!1,amount:0,quote:r}):i===`PENDING`?(A.current&&K(`Payment submitted â waiting for confirmation`),{success:!0,amount:t,preimage:n,pending:!0,quote:r}):i===`PAID`?(A.current&&K(`Payment sent!`),{success:!0,amount:t,preimage:n,quote:r}):(w.warn(`Unknown melt state:`,i),A.current&&K(`Payment submitted â waiting for confirmation`),{success:!0,amount:t,preimage:n,pending:!0,quote:r})}catch(e){return w.error(`Pay error:`,e),A.current&&k(`Payment failed: ${e.message}`),{success:!1,amount:0}}finally{n(),A.current&&O(!1),await G()}},[_,b,G,Z,$,X,on]),Fn=(0,C.useCallback)(async(e,t)=>{let n=typeof e==`string`?e.trim():``;if(!n||!/^lno1[02-9ac-hj-np-z]+$/i.test(n))return k(`Invalid BOLT12 offer`),{success:!1,amount:0};if(!Number.isFinite(t)||t<=0)return k(`Invalid amount`),{success:!1,amount:0};if(!_||!E.current)return k(`Wallet not initialized`),{success:!1,amount:0};let r=await Si(dt);try{O(!0),k(``);let{amount:e,state:r,quote:i}=await R.current.withProofLock(async()=>{let e=await U(_.createMeltQuoteBolt12(n,t*1e3),3e4,`BOLT12 melt quote creation`),r=H(await R.current.getProofsForMint(I(b),E.current,D.
1current??void 0)),i=r.reduce((e,t)=>{let n=Number(t.amount);return e+(Number.isInteger(n)&&n>0?n:0)},0),a=Number(e.amount)||0,o=Number(e.fee_reserve)||0,s=a+o;if(i<s)throw Error(`Need ${s} sats (inc. fee), have ${i}`);let c=e.state;if(c&&c!==`UNPAID`)throw Error(`Melt quote is not available: ${c}`);if(!je(o,i,5e4))throw Error(`Melt fee reserve exceeds maximum allowed`);let l=I(b);try{if((await R.current.loadTransactions(E.current,D.current??void 0)).some(e=>e.type===`melt`&&e.status===`pending`&&I(e.mintUrl)===l))throw Error(`Another payment from this mint is still resolving â wait for it to finish before paying again.`);let e=await R.current.loadMeltInputRecovery(l,E.current,D.current??void 0);if(e&&e.proofs.length>0)throw Error(`A previous payment from this mint is still resolving â wait for it to finish before paying again.`)}catch(e){if(typeof e?.message==`string`&&e.message.includes(`still resolving`))throw e;w.warn(`Pending-melt guard check failed; proceeding:`,e)}let u=_.selectProofsToSend(r,s,!0),d=H(V(u.send)),f=H(V(u.keep)),p=B(d);if(p<s)throw Error(`Selected proofs insufficient: need ${s}, selected ${p}`);if(!je(o,p,5e4))throw Error(`Melt fee reserve exceeds maximum allowed for selected proofs`);await R.current.writeMeltInputRecovery(l,d,E.current);let m=async()=>{try{await R.current.withTxLock(async()=>{await R.current.addTransaction({type:`melt`,amount:a,memo:`BOLT12 offer ${n.slice(0,20)}⦠(outcome unknown â resolving)`,mintUrl:l,status:`pending`,quoteId:e.quote,expiresAt:typeof e.expiry==`number`&&e.expiry>0?e.expiry*1e3:void 0,bolt12:!0},E.current,D.current??void 0)})}catch(e){w.error(`Failed to record pending BOLT12 melt tx:`,e)}},h;try{h=await U(_.meltProofsBolt12(e,d),6e4,`BOLT12 melt proofs`)}catch(e){throw await m(),e}let g;try{if(!h||!Array.isArray(h.change))throw Error(`Mint returned invalid BOLT12 melt response`);g=H(V(h.change));let e=new Set(_.keysets.filter(e=>e.active).map(e=>e.id)),t=new Set([...d,...f].map(e=>String(e?.secret))),n=Ie(g,{activeKeysetIds:e,localSecrets:t,getKeyset:e=>_.keys.get(e),requireDleq:!0});if(!n.valid)throw Error(`Invalid change proofs: ${n.reason}`);g.length>0&&await R.current.writeMeltChangeRecovery(l,g,E.current);let r=B(h.change);if(r>p-a)throw Error(`Mint returned invalid change: exceeds available amount`);if(r<p-a-o)throw Error(`Mint returned invalid change: missing required amount`);let i=p-r-a;if(i<0||i>o||!je(i,p,5e4))throw Error(`Mint returned invalid BOLT12 melt fee`)}catch(e){throw await m(),e}await R.current.assertProofLockOwnership();let v=h.quote?.state,y=Number(e.amount)||0;if(v===`UNPAID`){let e=await R.current.loadMeltInputRecovery(l,E.current,D.current??void 0),t=T.current;if(e&&e.proofs.length>0&&t)try{let n=await on(l,e.proofs,t),r=new Set(n.map(e=>String(e?.secret))),i=H(e.proofs.filter(e=>!r.has(String(e?.secret)))),a=H(V([...f,...n]));await R.current.assertProofLockOwnership(),await R.current.saveProofsForMint(l,a,E.current),R.current.writeProofStoreTimestamp(l),i.length>0?await R.current.writeMeltInputRecovery(l,i,E.current):R.current.clearMeltInputRecovery(l),R.current.clearMeltChangeRecovery(l)}catch(e){w.warn(`Could not verify unspent state during BOLT12 UNPAID recovery; keeping journal:`,l,e)}}else{let e=H(V([...f,...g]));await R.current.saveProofsForMint(l,e,E.current),R.current.writeProofStoreTimestamp(l),v===`PAID`&&(R.current.clearMeltInputRecovery(l),R.current.clearMeltChangeRecovery(l))}return await(async()=>{try{await R.current.withTxLock(async()=>{let t=typeof e.expiry==`number`&&e.expiry>0?e.expiry*1e3:void 0;if(v===`UNPAID`){await R.current.addTransaction({type:`melt`,amount:y,memo:`BOLT12 offer ${n.slice(0,20)}â¦`,mintUrl:l,status:`failed`,quoteId:e.quote,bolt12:!0},E.current,D.current??void 0);return}let r=v===`PAID`?`completed`:`pending`;await R.current.addTransaction({type:`melt`,amount:y,memo:`BOLT12 offer ${n.slice(0,20)}â¦`,mintUrl:l,status:r,quoteId:e.quote,expiresAt:t,bolt12:!0},E.current,D.current??void 0)})}catch(e){w.error(`Failed to record BOLT12 melt tx:`,e)}})(),await $(),await Z(),{quote:e,amount:y,state:v}});return r!==`UNPAID`&&await X(I(b),`out`,e),r===`UNPAID`?(A.current&&k(`Payment failed: BOLT12 offer was not paid`),{success:!1,amount:0,quote:i}):r===`PENDING`?(A.current&&K(`BOLT12 payment submitted â waiting for confirmation`),{success:!0,amount:e,quote:i,pending:!0}):r===`PAID`?(A.current&&K(`BOLT12 payment sent!`),{success:!0,amount:e,quote:i}):(w.warn(`Unknown BOLT12 melt state:`,r),A.current&&K(`BOLT12 payment submitted â waiting for confirmation`),{success:!0,amount:e,quote:i,pending:!0})}catch(e){return w.error(`BOLT12 pay error:`,e),A.current&&k(`BOLT12 payment failed: ${e.message}`),{success:!1,amount:0}}finally{r(),A.current&&O(!1),await G()}},[_,b,G,Z,$,on,X]),In=(0,C.useCallback)(async e=>{let t=N.current,n=E.current,r=sn(),i=Y();if(!t||!n||!r||!i||!_){w.warn(`Cannot receive Nutzap: wallet or NIP-60 sync not ready`);return}if(st.current.has(e.id)||await R.current.isProcessedNutzapId(e.id,n,D.current??void 0))return;let o=await Si(dt);
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Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.