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Introduction to 0x

1VQ9
August 29, 2018

Introduction to 0x

1VQ9

August 29, 2018
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  1. 0xProject - Introduction Mission Create a tokenized world where all

    value can flow freely. Mission statement શͯͷՁ஋͕ࣗ༝ʹߦ͖དྷ͢ΔɺτʔΫϯԽ͞ΕͨੈքΛ࡞Δ (Warren 2018)
  2. 0xProject - Introduction Y1SPUPDPM 0⒎DIBJOPSEFSSFMBZ 0ODIBJOTFUUMFNFOU Ϣʔβʔͷࢿ࢈Λ༬͔Βͳ͍ͨΊɺݖݶ͸ৗʹϢʔβʔʹ͋Δ ΦʔμʔϒοΫ͸ϒϩοΫνΣʔϯ্ʹͳ͍ͨΊɺνΣʔϯ΁ͷෛՙ͕গͳ͍ .BLFS͕&3$τʔΫϯͷBQQSPWFΛ࣮ߦ͠ɺ %&9DPOUSBDUʹτʔΫϯ"ͷҠಈΛڐՄ

     .BLFS͕PSEFSΦϒδΣΫτΛ࡞੒ͯ͠ൿີ伴Ͱॺ ໊͠ɺσʔλΛͳΜΒ͔ͷํ๏ 3FMBZFSͳͲ Ͱڞ༗͢Δ  0SEFSΦϒδΣΫτΛऔಘͨ͠5BLFS͸ަ׵ର৅ͷ &3$τʔΫϯ#ͷBQQSPWFΛ࣮ߦ͠ɺ%&9DPOUSBDU ʹτʔΫϯͷҠಈΛڐՄ͢Δ  5BLFS͕%&9ίϯτϥΫτͷpMM0SEFS"TZODΛ࣮ ߦ͠ɺ%&9ίϯτϥΫτ͕औҾΛ࣮ߦ͢Δ
  3. 0xProject - Introduction Y1SPUPDPM YKTFYBNQMF // Unlimited allowances to 0x

    proxy contract for maker and taker const setMakerAllowTxHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(ZRX_ADDRESS, makerAddress); await zeroEx.awaitTransactionMinedAsync(setMakerAllowTxHash); // Generate order const order = { maker: makerAddress, taker: ZeroEx.NULL_ADDRESS, feeRecipient: ZeroEx.NULL_ADDRESS, makerTokenAddress: ZRX_ADDRESS, takerTokenAddress: WETH_ADDRESS, exchangeContractAddress: EXCHANGE_ADDRESS, salt: ZeroEx.generatePseudoRandomSalt(), makerFee: new BigNumber(0), takerFee: new BigNumber(0), makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(0.2), DECIMALS), // Base 18 decimals takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(0.3), DECIMALS), // Base 18 decimals expirationUnixTimestampSec: new BigNumber(Date.now() + 3600000), // Valid for up to an hour };
  4. 0xProject - Introduction Y1SPUPDPM YKTFYBNQMF { "metadata" : { "takerToken"

    : { "name" : "Wrapped Ether", "decimals" : 18, "symbol" : "WETH" }, "makerToken" : { "symbol" : "ZRX", "name" : "0x", "decimals" : 18 } }, "signedOrder" : { "expirationUnixTimestampSec" : "1535607960", "maker" : "0x00 “, "makerFee" : "0", "feeRecipient" : "0x0000000000000000000000000000000000000000", "takerTokenAmount" : "1000000000000000000", "makerTokenAddress" : "0xe41d2489571d322189246dafa5ebde1f4699f498", "ecSignature" : { "r" : "0xc370fdb353f34c22499dcb299338f7152ab48258d9bafec85c40ff420c58b390", "s" : "0x1f08d374ec972fa4034275c174ac445b8b0a3e9e03b8eab0b2588c203d388ccc", "v" : 27 }, "takerFee" : "0", "makerTokenAmount" : "100000000000000000000", "salt" : "525051204772790397684327286494460896733275278658192814608150085920209666577", "taker" : "0x0000000000000000000000000000000000000000", "takerTokenAddress" : "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", "exchangeContractAddress" : "0x12459c951127e0c374ff9105dda097662a027093" } } 0SEFS0CKFDUͷྫ
  5. 0xProject - Introduction Y1SPUPDPM YKTFYBNQMF // fill͢ΔྔΛܾΊΔ const shouldThrowOnInsufficientBalanceOrAllowance =

    true; const fillTakerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(0.1), DECIMALS); // fillOrderAsync Ͱfill͢Δ const txHash = await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerTokenAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, );
  6. 0xProject - Relayers ΦʔμʔϒοΫͷϝϯςφϯε΍ྲྀಈੑͷڙڅɺϢʔβʔΠϯλʔϑΣʔεͷఏڙͳ ͲͷαʔϏεΛఏڙ͠ɺख਺ྉΛϢʔβʔ͔Β௃ऩ͢ΔऔҾॴ { ɹ“signedOrder" : { "expirationUnixTimestampSec"

    : "1535607960", "maker" : "0x00 ", "makerFee" : "0", "feeRecipient" : "0x0000000000000000000000000000000000000000", "takerTokenAmount" : "1000000000000000000", "makerTokenAddress" : "0xe41d2489571d322189246dafa5ebde1f4699f498", "ecSignature" : { "r" : "0xc370fdb353f34c22499dcb299338f7152ab48258d9bafec85c40ff420c58b390", "s" : "0x1f08d374ec972fa4034275c174ac445b8b0a3e9e03b8eab0b2588c203d388ccc", "v" : 27 }, "takerFee" : "0", "makerTokenAmount" : "100000000000000000000", "salt" : "525051204772790397684327286494460896733275278658192814608150085920209666577", "taker" : "0x0000000000000000000000000000000000000000", "takerTokenAddress" : "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", "exchangeContractAddress" : "0x12459c951127e0c374ff9105dda097662a027093" } }
  7. 0xProject - Volume of 0x relayers Relayers 10+ Aggregate volume

    $200M+ Trades 120K+ 0x - NIFTY (Jul, 2018) https://0xtracker.com/
  8. References 0x - NIFTY (Jul, 2018) https://docs.google.com/presentation/d/1D5ybhJkNb7FYlIgHM3g37NBFSSI4XgkQecWbnsiBj1E/edit Welcome to the

    0x Community https://blog.0xproject.com/welcome-to-the-0x-community-9d99dfe0a52b The 0x Mission and Values https://blog.0xproject.com/the-0x-mission-and-values-181a58706f9f 18 Ideas for 0x Relayers in 2018 https://blog.0xproject.com/18-ideas-for-0x-relayers-in-2018-80a1498b955f