Ethereum

Questions tagged [static-call]

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staticcall - what does this code do?

I'm lost, does anyone understand this code? assembly { success := staticcall(sub(gas(), 2000), 7, input, 0x80, r, 0x60) // Use "invalid" to make gas ...
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What is the difference between the STATICCALL and CALL EVM opcodes?

Besides the regular and very common CALL, the Ethereum Virtual Machine has the STATICCALL opcode. In which ways does it differ from the regular CALL? Edit: This is not a duplicate because this ...
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The gas-cost of a static-call of a pure function

A pure function doesn't cost anything when called from an off-chain script (or from some other constant function). But it does cost when called from a transaction (i.e., from a non-constant function). ...
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gasCost of opcode “STATICCALL” in Geth VM Trace

{ "pc": 4765, "op": "STATICCALL", "gas": 222711, "gasCost": 219243, "depth": 1, ... } As above, Geth VM Trace (https://etherscan.io/vmtrace?txhash=...
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Staticcall on external function works only, when there is one function's argument

I'm trying to call external function in contract B from contract A using staticcall. Here is code for contract A: contract A { address public addr; bool public success; bytes public ...