Platform: Code4rena
Start Date: 12/08/2022
Pot Size: $50,000 USDC
Total HM: 15
Participants: 120
Period: 5 days
Judge: Justin Goro
Total Solo HM: 6
Id: 153
League: ETH
Rank: 73/120
Findings: 2
Award: $67.00
🌟 Selected for report: 0
🚀 Solo Findings: 0
🌟 Selected for report: 0x1f8b
Also found by: 0x52, 0xA5DF, 0xDjango, 0xNazgul, 0xNineDec, 0xSmartContract, 0xmatt, 0xsolstars, Aymen0909, Bnke0x0, CertoraInc, Chom, CodingNameKiki, Deivitto, Dravee, ElKu, EthLedger, Funen, IllIllI, JC, Junnon, Lambda, LeoS, MiloTruck, Noah3o6, PaludoX0, ReyAdmirado, Rohan16, RoiEvenHaim, Rolezn, SaharAP, Sm4rty, SooYa, The_GUILD, TomJ, Waze, Yiko, _Adam, __141345__, a12jmx, ak1, asutorufos, auditor0517, ayeslick, ballx, beelzebufo, berndartmueller, bin2chen, brgltd, c3phas, cRat1st0s, cccz, cryptonue, cryptphi, d3e4, delfin454000, dipp, djxploit, durianSausage, dy, erictee, fatherOfBlocks, gogo, gzeon, hyh, ignacio, kyteg, ladboy233, medikko, mics, minhquanym, oyc_109, pfapostol, rbserver, reassor, ret2basic, robee, sach1r0, simon135, sryysryy, tabish, yac, yash90, zzzitron
45.8341 USDC - $45.83
Instead of return ???, we can just return empty string to more descriptive message like "not found"
it is safer to not hard code 18 decimal precision because there are token that is not 18 deicmal precision.
🌟 Selected for report: IllIllI
Also found by: 0x1f8b, 0xA5DF, 0xDjango, 0xNazgul, 0xSmartContract, 0xackermann, 0xbepresent, 0xc0ffEE, 0xkatana, 2997ms, Amithuddar, Aymen0909, Bnke0x0, Chinmay, Chom, CodingNameKiki, Deivitto, Diraco, Dravee, ElKu, EthLedger, Fitraldys, Funen, IgnacioB, JC, Junnon, Lambda, LeoS, Metatron, MiloTruck, Noah3o6, NoamYakov, PaludoX0, Randyyy, ReyAdmirado, Rohan16, Rolezn, Ruhum, SaharAP, Sm4rty, SooYa, TomJ, Tomio, Waze, Yiko, _Adam, __141345__, a12jmx, ajtra, ak1, asutorufos, ballx, brgltd, c3phas, cRat1st0s, carlitox477, chrisdior4, d3e4, delfin454000, dharma09, djxploit, durianSausage, erictee, fatherOfBlocks, find_a_bug, flyx, francoHacker, gerdusx, gogo, gzeon, hakerbaya, ignacio, jag, kyteg, ladboy233, ltyu, m_Rassska, medikko, mics, mrpathfindr, newfork01, nxrblsrpr, oyc_109, pfapostol, rbserver, reassor, ret2basic, robee, sach1r0, saian, simon135, sryysryy, zeesaw
21.1705 USDC - $21.17
array length can be cached to uint256 instead of accessing array.length in every for loop.
uint256 length = array.length; for(uint256 i = 0; i < length; ++i) { // other logic }