Transaction Details
SMART CONTRACT
Transaction Hash
a054ee73cb12b31d86fd502815da3af67ec7c4d943a9ecd8d8346b591a0075a9
Block Status
Smart Contract State
SCID Reserves
| SCID | Amount (Atomic Units) |
|---|---|
| 0000000000000000000000000000000000000000000000000000000000000000 | 0 |
String Variables
| Key | Value |
|---|---|
| C | 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|
| collected | 0 |
| collector | 09733afe4b78345f3651a1bf2f5f1ce1e329e8c347d055af74c1e151ee118e0c00 |
| fee_bps | 10 |
| seq | 0 |
Transaction Information
Root Hash
Built Height
7584874
Block
Timestamp
1788788117665
Timestamp (UTC)
2026-09-07 13:35:17
Block Age
12m 25s ago
Fee
0.07735
TX Size
6.629 kB
Version
1
Confirmations
43
Signature Type
DERO_HOMOMORPHIC
DERO Asset
2
Ring Size
0.07735
Fees
0.00000
Deposited
Sender
dero1qyyhxwh7fdurghek2xsm7t6lrns7x20gcdraq4d0wnq7z50wzx8qcqq9vvptz
Ring Members (2)
Smart Contract Details
SC Balance
0.00000 DERO
Smart Contract Code
Smart Contract Arguments
| Name | Type | Value |
|---|---|---|
| SC_ACTION | uint64 | 1 |
| SC_CODE | string | "/* SapDice.dvm — P1 provably-fair two-party over/under dice (P2P, family A). Extends the proven SapDuel (P0) pattern from CASINO_SPEC §18.1A: two players bet opposite sides of a threshold, no house, no operator edge. Player A bets the roll will be OVER a threshold, player B bets UNDER. Rake routed to a hardcoded collector at settle (atomic with payout). Fairness: DVM RANDOM() is protocol-secure (keyed Keccak(SCID, BLID, TXID)); BLID of the future Settle tx is unknowable to the caller, so neither player can predict or influence the outcome (same rationale as SapDuel). Roll space: RANDOM(100) -> 0..99. A win condition configurable at join: - over: A wins if roll >= threshold, B wins if roll < threshold - the threshold sits BETWEEN the two bets (A over T, B under T). Payout: winner takes pot - rake; rake -> collector (atomic). Build B per-player escrow + timelock refunds (identical to SapDuel). Pattern source: SapDuel.dvm (sim-verified). All keys raw SIGNER(). */ Function Initialize(collector String) Uint64 5 version("1.0.0") 10 IF STRLEN(ADDRESS_RAW(collector)) == 33 THEN GOTO 40 20 RETURN 1 40 STORE("fee_bps", 10) /* 0.10% rake — tune later */ 50 STORE("collector", ADDRESS_RAW(collector)) 60 STORE("collected", 0) 70 STORE("seq", 0) 80 RETURN 0 End Function /* A opens a dice duel: bets `amt` that the roll will be >= `thresh` (over). Threshold must be sane (1..98) so both sides have a real chance. */ Function OpenOver(amt Uint64, thresh Uint64) Uint64 5 version("1.0.0") 10 dim n, v as Uint64 20 LET v = DEROVALUE() 30 IF v == amt THEN GOTO 60 40 RETURN 1 60 IF amt >= 1 THEN GOTO 90 70 RETURN 1 90 IF thresh >= 1 THEN GOTO 120 100 RETURN 1 120 IF thresh <= 98 THEN GOTO 150 130 RETURN 1 150 LET n = LOAD("seq") + 1 160 STORE("seq", n) 170 STORE("g_" + n + "_a", SIGNER()) 180 STORE("g_" + n + "_amt", amt) 190 STORE("g_" + n + "_thresh", thresh) 200 STORE("g_" + n + "_blkA", BLOCK_HEIGHT()) 210 STORE("g_" + n + "_state", 1) 220 RETURN 0 End Function /* B joins betting the UNDER side at the same amount. */ Function JoinUnder(n Uint64) Uint64 5 version("1.0.0") 10 dim v, amt as Uint64 20 LET amt = LOAD("g_" + n + "_amt") 30 IF amt > 0 THEN GOTO 60 40 RETURN 1 60 IF LOAD("g_" + n + "_state") == 1 THEN GOTO 90 70 RETURN 1 90 LET v = DEROVALUE() 100 IF v == amt THEN GOTO 130 110 RETURN 1 130 IF EXISTS("g_" + n + "_b") THEN GOTO 160 140 GOTO 170 160 RETURN 1 170 STORE("g_" + n + "_b", SIGNER()) 180 STORE("g_" + n + "_blkB", BLOCK_HEIGHT()) 190 STORE("g_" + n + "_state", 2) 200 RETURN 0 End Function /* Settle: roll RANDOM(100). If roll >= thresh, A (over) wins; else B (under). Winner takes pot - rake, rake -> collector. Atomic. */ Function Settle(n Uint64) Uint64 5 version("1.0.0") 10 dim aAmt, rake, pot, roll, thresh as Uint64 20 IF LOAD("g_" + n + "_state") == 2 THEN GOTO 50 30 RETURN 1 50 IF LOAD("g_" + n + "_a") == SIGNER() THEN GOTO 80 60 IF LOAD("g_" + n + "_b") == SIGNER() THEN GOTO 80 70 RETURN 1 80 LET aAmt = LOAD("g_" + n + "_amt") 90 LET pot = aAmt * 2 100 LET rake = pot * LOAD("fee_bps") / 10000 110 IF rake < pot THEN GOTO 140 120 LET rake = pot / 2 140 LET thresh = LOAD("g_" + n + "_thresh") 150 LET roll = RANDOM(100) /* 0..99 */ 160 STORE("g_" + n + "_roll", roll) /* record for auditability */ 170 IF roll >= thresh THEN GOTO 240 /* A (over) wins */ 190 STORE("collected", LOAD("collected") + rake) 200 SEND_DERO_TO_ADDRESS(LOAD("g_" + n + "_b"), pot - rake) 210 SEND_DERO_TO_ADDRESS(LOAD("collector"), rake) 220 STORE("g_" + n + "_state", 3) 230 RETURN 0 240 STORE("collected", LOAD("collected") + rake) 250 SEND_DERO_TO_ADDRESS(LOAD("g_" + n + "_a"), pot - rake) 260 SEND_DERO_TO_ADDRESS(LOAD("collector"), rake) 270 STORE("g_" + n + "_state", 3) 280 RETURN 0 End Function /* Refund if B never joins (A's window elapses). */ Function RefundA(n Uint64) Uint64 5 version("1.0.0") 10 dim amt as Uint64 20 IF LOAD("g_" + n + "_state") == 1 THEN GOTO 50 30 RETURN 1 50 IF LOAD("g_" + n + "_a") == SIGNER() THEN GOTO 80 60 RETURN 1 80 IF BLOCK_HEIGHT() > LOAD("g_" + n + "_blkA") + 200 THEN GOTO 110 90 RETURN 1 110 LET amt = LOAD("g_" + n + "_amt") 120 STORE("g_" + n + "_state", 4) 130 SEND_DERO_TO_ADDRESS(SIGNER(), amt) 140 RETURN 0 End Function /* Refund if both escrowed but nobody settles. Either party pulls own bet. */ Function RefundStuck(n Uint64) Uint64 5 version("1.0.0") 10 dim amt as Uint64 20 IF LOAD("g_" + n + "_state") == 2 THEN GOTO 50 30 RETURN 1 50 IF BLOCK_HEIGHT() > LOAD("g_" + n + "_blkB") + 200 THEN GOTO 80 60 RETURN 1 80 IF LOAD("g_" + n + "_a") == SIGNER() THEN GOTO 110 90 IF LOAD("g_" + n + "_b") == SIGNER() THEN GOTO 110 100 RETURN 1 110 LET amt = LOAD("g_" + n + "_amt") 120 IF amt > 0 THEN GOTO 150 130 RETURN 1 150 STORE("g_" + n + "_state", 4) 160 SEND_DERO_TO_ADDRESS(SIGNER(), amt) 170 RETURN 0 End Function " |
| collector | string | "dero1qyyhxwh7fdurghek2xsm7t6lrns7x20gcdraq4d0wnq7z50wzx8qcqq9vvptz" |
| entrypoint | string | "Initialize" |
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.