Contract con_evm_oracle

  

    

      

        

            
1
            
#You cant request and get in the same transaction!!
          

            
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tx_hashes = Hash(default_value=False)
          

            
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ready_for_work = Variable()
          

            
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last_work = Variable()
          

            
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user_whitelist = Variable()
          

            
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@construct
          

            
8
            
def seed():
          

            
9
            
    ready_for_work.set(True)
          

            
10
            
    last_work.set("")
          

            
11
            
    user_whitelist.set(["ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89"])
          

            
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13
            

          

            
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@export
          

            
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def requestData(tx_hash: str, evm_chain: str):
          

            
16
            
    assert ctx.caller in user_whitelist.get(), "You are not allowed to use this"
          

            
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    evm_chains = ["ETH", "BSC"]
          

            
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    assert evm_chain in evm_chains, "Not a valid chain"
          

            
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    assert ready_for_work.get() == True, "Oracle is not ready to accept any work"
          

            
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    assert tx_hash.startswith("0x"), "Not a valid hash"
          

            
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    ready_for_work.set(False)
          

            
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    last_work.set([tx_hash, evm_chain])
          

            
23
            

          

            
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@export
          

            
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def getData(tx_hash: str, evm_chain: str):
          

            
27
            
    return tx_hashes[evm_chain, tx_hash]
          

            
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@export
          

            
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def setData(tx_hash: str, data: Any, evm_chain: str):
          

            
32
            
    assert ctx.caller == "5fe2a80a2d0d4d7a08603451c02ac1ef5b1d0c6b3db118933e349d90a52deb44", "Only the oracle wallet can call this"
          

            
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    ready_for_work.set(True)
          

            
34
            
    tx_hashes[evm_chain, tx_hash] = data
          

            
35
            

          

            
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@export
          

            
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def setWhitelist(users: Any):
          

            
39
            
    assert ctx.caller == "ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89", "Only the operator can call this"
          

            
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    user_whitelist.set(users)
          
      
    
  
  

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