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How to really encode dynamicall length array of structs in Solidity ? Or how to use the Muliplex Feature of 0x?

I need to use the Multiplex Feature of 0x in order to perform a specific trade that perform a UniswapV3 call followed by a _FillOTCorder using the SelfBalance feature of the the Multiplex Feature. As ...
user2284570's user avatar
  • 1,018
1 vote
2 answers

Failed to swap BEP20 > BNB, WalletExecuteDelegateError

I try to use 0x Swap rest API to swap a token. buyToken=0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82 sellToken=0x07515f6d56879040b02c4d355df62ec5aede4c7e But i got WalletExecuteDelegateCallFailedError, ...
Its Wawan's user avatar
  • 113
1 vote
1 answer

what is the role of relayer in 0x protocol?

I understand that 0x protocol allows orders to be transmitted across off chain channel to reach large audience and potential buyers/sellers. However, I don't get what a Relayer is exactly.
Davide C's user avatar
  • 906
0 votes
2 answers

How to resolve insufficient asset liquidity in 0x on polygon mumbai testnet

I am testing the 0x api to get quote on Mumbai testnet. I want to swap BAL -> wETH.
Rishabh Raghwendra's user avatar
0 votes
0 answers

0x API - FillQuote works on USDC=> DAI, but not DAI=>USDC

I'm trying to swap USDC to/from DAI. USDC to DAI swap works fine, but the revers ALWAYS fails The smart contract im using is EXACTLY simpletokenswap.sol, the only modification I made was that uint(-1) ...
TaeWoo's user avatar
  • 101