Ethereum calls gas
install MIPS based Linux header file
$CD $prjroot / kernel
$tar - xjvf linux-2.6.38. Tar. Bz2
$CD linux-2.6.38
create an include folder under the specified path to store related header files< br />$ mkdir -p $TARGET_ Prefix / include
ensures that the Linux source code is clean
$make mrproper
generates the required header file< br />$ make ARCH=mips headers_ check
$ make ARCH=mips INSTALL_ HDR_ PATH=dest headers_ Install
all the files in dest folder to the specified include folder< br />$ cp -rv dest/include/* $TARGET_ Prefix / include
delete dest folder at last
$RM - RF dest
$LS - L $target_ PREFIX/include
Yes, refer to the interaction between contracts. Digital currency exchange platform for example, I am trying to sign a smart contract from another factory contract and then redeploy the address of the new smart contract. However, the address it returns is the transaction hash, not the contract address. I believe this is because when the address is returned, the contract has not been exploited. When I deploy the smart contract with Web3, it seems that it will not output the contract address until the smart contract is deployed
Gas is translated as "gasoline cost". Gas was originally implemented on the Ethereum blockchain to measure the computing and storage resources consumed by messages
in other blockchains, node participants specify gasfee in local currency, and then pay priority fees to the proction node participants' blocks according to the natural gas consumed by the message
In fact, gas is similar to gasoline, which is used as the energy of a car to ensure that the car can run normally. Gas on Ethereum network "refuels" the transaction behavior and allows users to perform different operations
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the reason for the existence of gas. Gas fee will be priced from high to low. Messages with low price may not be packaged, while messages with high price will be packaged first, so gas fee is a market behavior
when the news is congested, the cost of gas will rise. If we do not deal with the congested news in time, we will lose the computing power. If the computing power does not recover for two consecutive days, we will be severely punished
if there is no gas, users can execute a program that will never stop. The reason may be that there is a problem with the code, or someone does evil. In order to prevent this situation, Ethereum introces the gas cost associated with each operation, which will prevent the program from running forever, and finally make the whole network stagnate
miners will give priority to the deals with reasonable gas and high gas price. If the miner's fee paid by the user is very low (out of gas), the transaction may not be packaged by the miner, resulting in the failure of the transaction. The transaction cost of tokenpocket (also the transaction cost of Ethereum) = gas quantity * gas price
gas is the unit used to measure the calculation workload required to perform specific operations on the Ethereum blockchain. The name itself was not chosen by accident. Gas is actually similar to gasoline, which is used as the energy of a car to ensure that the car can run normally. Gas on Ethereum network "refuels" the transaction behavior and allows users to perform different operations
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