Transaction Details
SMART CONTRACT
Transaction Hash
bceb128891e6bd24967834480c480299b227ead457ddbbbd5ea06256784b47ba
Block Status
Smart Contract State
SCID Reserves
| SCID | Amount (Atomic Units) |
|---|---|
| 0000000000000000000000000000000000000000000000000000000000000000 | 0 |
String Variables
| Key | Value |
|---|---|
| C | 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|
| amount | 5000 |
| counter_addr | 2e91b5e142c6edcf382fc59032279d5b2882821ac03b83fd34d18e6132a32f3b00 |
| deadline | 7.49625e+06 |
| issuer_addr | 2e91b5e142c6edcf382fc59032279d5b2882821ac03b83fd34d18e6132a32f3b00 |
| preimage_hash | 8b46f4c9f9f2bdff8f2ea294bbb34c0131cdd28d443da2bac8704f8b3a232cc9 |
| state | 0 |
| terms_commit | 1c883131f5617cc42cbe15dffe2fca6ec990d9a4966cd9353843f846dc0c509a |
| tier | 100 |
Transaction Information
Root Hash
Built Height
7494807
Block
Timestamp
1787117515181
Timestamp (UTC)
2026-08-19 05:31:55
Block Age
2h 56m ago
Fee
0.05392
TX Size
6.574 kB
Version
1
Confirmations
563
Signature Type
DERO_HOMOMORPHIC
DERO Asset
16
Ring Size
0.05392
Fees
0.00000
Deposited
Sender
Ring Members (16)
Smart Contract Details
SC Balance
0.00000 DERO
Smart Contract Code
Smart Contract Arguments
| Name | Type | Value |
|---|---|---|
| SC_ACTION | uint64 | 1 |
| SC_CODE | string | "/* Standard Size Contract v0 — v151-compatible (T1 HTLC traversal) State: "issuer_addr" String — issuer DERO address (refund payout) "counter_addr" String — counterparty DERO address (redeem payout) "tier" Uint64 — standard denomination (e.g. 500 = $500) "terms_commit" String — keccak256(tier:nonce:blind) hash commitment "preimage_hash" String — keccak256(secret) — the atomic-swap secret "deadline" Uint64 — block height after which refund opens "state" Uint64 — 0=OPEN 1=REDEEMED 2=REFUNDED */ Function Initialize(issuer_addr String, counter_addr String, tier Uint64, nonce String, blind String, secret String, deadline Uint64, amount Uint64) Uint64 5 version("1.2.3") // v151 as-is 10 STORE("issuer_addr", HEXDECODE(issuer_addr)) // hex -> raw compressed key 20 STORE("counter_addr", HEXDECODE(counter_addr)) 30 STORE("tier", tier) 40 STORE("deadline", deadline) 50 STORE("state", 0) 60 STORE("amount", amount) 70 STORE("terms_commit", KECCAK256(ITOA(tier) + ":" + nonce + ":" + blind)) 80 STORE("preimage_hash", KECCAK256(secret)) 90 RETURN 0 End Function /* Redeem: counterparty reveals the secret; contract checks the preimage. Pure v151: keccak256 comparison, no signature, no group ops. DERO convention: RETURN 0 = success (state commits), nonzero = error. */ Function Redeem(secret String) Uint64 10 IF LOAD("state") != 0 THEN GOTO 900 // only OPEN 20 IF KECCAK256(secret) == LOAD("preimage_hash") THEN GOTO 100 30 GOTO 900 // wrong preimage 100 STORE("state", 1) // REDEEMED 110 SEND_DERO_TO_ADDRESS(LOAD("counter_addr"), LOAD("amount")) // pay held balance 120 RETURN 0 // success — commits state+transfer 900 RETURN 1 // error End Function /* Refund: after deadline, ANYONE can trigger the refund — funds go to the stored issuer address. No SIGNER() (no ringsize-2 requirement, K0-safe), no authorization needed for a timelock payout. */ Function Refund() Uint64 10 IF LOAD("state") != 0 THEN GOTO 900 // only OPEN 20 IF BLOCK_HEIGHT() < LOAD("deadline") THEN GOTO 900 // not expired yet 100 STORE("state", 2) // REFUNDED 110 SEND_DERO_TO_ADDRESS(LOAD("issuer_addr"), LOAD("amount")) // pay held balance 120 RETURN 0 // success 900 RETURN 1 // error End Function /* TermsReveal: counterparty reveals (tier, nonce, blind) to prove the terms commitment; contract recomputes keccak and compares. RETURN 0 = terms match, nonzero = mismatch. */ Function TermsReveal(tier Uint64, nonce String, blind String) Uint64 10 IF tier != LOAD("tier") THEN GOTO 900 20 IF KECCAK256(ITOA(tier) + ":" + nonce + ":" + blind) == LOAD("terms_commit") THEN GOTO 100 30 GOTO 900 100 RETURN 0 // match 900 RETURN 1 // mismatch End Function " |
| amount | uint64 | 5000 |
| blind | string | "ad94aaac850e4ce75391af6f9d966adbac141e9840fc28713dd03e0c55d4f0fe" |
| counter_addr | string | "2e91b5e142c6edcf382fc59032279d5b2882821ac03b83fd34d18e6132a32f3b00" |
| deadline | uint64 | 7496250 |
| entrypoint | string | "Initialize" |
| issuer_addr | string | "2e91b5e142c6edcf382fc59032279d5b2882821ac03b83fd34d18e6132a32f3b00" |
| nonce | string | "relayos-htlc-1c1458a6cb765f92" |
| secret | string | "01eb6d7f5abdd82a76bc93249062139eab6df4f0adac676ea71c2e0180640cff" |
| tier | uint64 | 100 |
Prove Transaction
Prove that you sent DERO in this transaction. Obtain proof using the dero-wallet-cli command or from your wallet statement.
Note: The proof is sent to the server for verification calculations.
Payload proofs are user-provided display proofs; for the strongest verification, confirm with the receiving wallet.