Sending a transaction - can I assume that when the 'data' field is missing, the 'gas' field should always be 21000?

up vote
1
down vote

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I have implemented a function for transferring ETH from my account to another account:

async function transfer(to, value) 
 let options = 
 from : PUBLIC_ADDRESS,
 to : to,
 value: value
 ;
 options.gas = await web3.eth.estimateGas(options);
 let signedTransaction = await web3.eth.accounts.signTransaction(options, PRIVATE_KEY);
 return await web3.eth.sendSignedTransaction(signedTransaction.rawTransaction);

This is purely for ETH transfer; I am not trying to invoke any smart contract function, so I can omit the data field from the options object.

I've noticed that web3.eth.estimateGas(options) always returns 21000.

Can I count on that, and simplify my code to:

 let options = 
 from : PUBLIC_ADDR,
 to : to,
 value: value,
 gas : 21000
 ;

Thanks

asked 5 hours ago

goodvibration

1,972519

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up vote
1
down vote

favorite

I have implemented a function for transferring ETH from my account to another account:

async function transfer(to, value) 
 let options = 
 from : PUBLIC_ADDRESS,
 to : to,
 value: value
 ;
 options.gas = await web3.eth.estimateGas(options);
 let signedTransaction = await web3.eth.accounts.signTransaction(options, PRIVATE_KEY);
 return await web3.eth.sendSignedTransaction(signedTransaction.rawTransaction);

This is purely for ETH transfer; I am not trying to invoke any smart contract function, so I can omit the data field from the options object.

I've noticed that web3.eth.estimateGas(options) always returns 21000.

Can I count on that, and simplify my code to:

 let options = 
 from : PUBLIC_ADDR,
 to : to,
 value: value,
 gas : 21000
 ;

Thanks

asked 5 hours ago

goodvibration

1,972519

add a commentÂ |Â

up vote
1
down vote

favorite

I have implemented a function for transferring ETH from my account to another account:

async function transfer(to, value) 
 let options = 
 from : PUBLIC_ADDRESS,
 to : to,
 value: value
 ;
 options.gas = await web3.eth.estimateGas(options);
 let signedTransaction = await web3.eth.accounts.signTransaction(options, PRIVATE_KEY);
 return await web3.eth.sendSignedTransaction(signedTransaction.rawTransaction);

This is purely for ETH transfer; I am not trying to invoke any smart contract function, so I can omit the data field from the options object.

I've noticed that web3.eth.estimateGas(options) always returns 21000.

Can I count on that, and simplify my code to:

 let options = 
 from : PUBLIC_ADDR,
 to : to,
 value: value,
 gas : 21000
 ;

Thanks

asked 5 hours ago

goodvibration

1,972519

I have implemented a function for transferring ETH from my account to another account:

async function transfer(to, value) 
 let options = 
 from : PUBLIC_ADDRESS,
 to : to,
 value: value
 ;
 options.gas = await web3.eth.estimateGas(options);
 let signedTransaction = await web3.eth.accounts.signTransaction(options, PRIVATE_KEY);
 return await web3.eth.sendSignedTransaction(signedTransaction.rawTransaction);

This is purely for ETH transfer; I am not trying to invoke any smart contract function, so I can omit the data field from the options object.

I've noticed that web3.eth.estimateGas(options) always returns 21000.

Can I count on that, and simplify my code to:

 let options = 
 from : PUBLIC_ADDR,
 to : to,
 value: value,
 gas : 21000
 ;

Thanks

web3js transactions gas gas-estimate

asked 5 hours ago

goodvibration

1,972519

asked 5 hours ago

goodvibration

1,972519

asked 5 hours ago

goodvibration

1,972519

asked 5 hours ago

goodvibration

1,972519

asked 5 hours ago

goodvibration

1,972519

add a commentÂ |Â

1 Answer
1

active

oldest

votes

up vote
2
down vote

accepted

If the to address is not a smart contract, then yes. This is the standard gas cost of a simple ether transfer.

If the to address is a smart contract, even if you're not sending anything in the data field, a different gas amount could be consumed.

answered 3 hours ago

smarx

16.6k1615

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

add a commentÂ |Â

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
2
down vote

accepted

If the to address is not a smart contract, then yes. This is the standard gas cost of a simple ether transfer.

If the to address is a smart contract, even if you're not sending anything in the data field, a different gas amount could be consumed.

answered 3 hours ago

smarx

16.6k1615

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

add a commentÂ |Â

up vote
2
down vote

accepted

If the to address is not a smart contract, then yes. This is the standard gas cost of a simple ether transfer.

If the to address is a smart contract, even if you're not sending anything in the data field, a different gas amount could be consumed.

answered 3 hours ago

smarx

16.6k1615

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

add a commentÂ |Â

up vote
2
down vote

accepted

If the to address is not a smart contract, then yes. This is the standard gas cost of a simple ether transfer.

If the to address is a smart contract, even if you're not sending anything in the data field, a different gas amount could be consumed.

answered 3 hours ago

smarx

16.6k1615

If the to address is not a smart contract, then yes. This is the standard gas cost of a simple ether transfer.

If the to address is a smart contract, even if you're not sending anything in the data field, a different gas amount could be consumed.

answered 3 hours ago

smarx

16.6k1615

answered 3 hours ago

smarx

16.6k1615

answered 3 hours ago

smarx

16.6k1615

answered 3 hours ago

smarx

16.6k1615

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

add a commentÂ |Â

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

Indeed, my to address is not a smart contract, hence the data field is empty (and I now understand that an empty data field doesn't necessarily imply a non-contract to address). Thank you very much!!!
â€“Â goodvibration
1 hour ago

add a commentÂ |Â

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