Ethereum¶
Calls¶
transact¶
Transact an Ethereum transaction.
Attributes¶
| Name | Type |
|---|---|
| transaction | Transaction |
Python¶
call = substrate.compose_call(
'Ethereum', 'transact', {
'transaction': {
'EIP1559': {
'access_list': [
{
'address': '[u8; 20]',
'storage_keys': [
'scale_info::12',
],
},
],
'action': {
'Call': '[u8; 20]',
'Create': None,
},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'input': 'Bytes',
'max_fee_per_gas': 'scale_info::186',
'max_priority_fee_per_gas': 'scale_info::186',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'EIP2930': {
'access_list': [
{
'address': '[u8; 20]',
'storage_keys': [
'scale_info::12',
],
},
],
'action': {
'Call': '[u8; 20]',
'Create': None,
},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'Legacy': {
'action': {
'Call': '[u8; 20]',
'Create': None,
},
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'signature': {
'r': 'scale_info::12',
's': 'scale_info::12',
'v': 'u64',
},
'value': 'scale_info::186',
},
},
}
)
Events¶
Executed¶
An ethereum transaction was successfully executed.
Attributes¶
| Name | Type | Composition |
|---|---|---|
| from | H160 |
[u8; 20] |
| to | H160 |
[u8; 20] |
| transaction_hash | H256 |
scale_info::12 |
| exit_reason | ExitReason |
{'Succeed': ('Stopped', 'Returned', 'Suicided'), 'Error': {'StackUnderflow': None, 'StackOverflow': None, 'InvalidJump': None, 'InvalidRange': None, 'DesignatedInvalid': None, 'CallTooDeep': None, 'CreateCollision': None, 'CreateContractLimit': None, 'OutOfOffset': None, 'OutOfGas': None, 'OutOfFund': None, 'PCUnderflow': None, 'CreateEmpty': None, 'Other': 'Str', 'MaxNonce': None, 'InvalidCode': 'u8'}, 'Revert': ('Reverted',), 'Fatal': {'NotSupported': None, 'UnhandledInterrupt': None, 'CallErrorAsFatal': {'StackUnderflow': None, 'StackOverflow': None, 'InvalidJump': None, 'InvalidRange': None, 'DesignatedInvalid': None, 'CallTooDeep': None, 'CreateCollision': None, 'CreateContractLimit': None, 'OutOfOffset': None, 'OutOfGas': None, 'OutOfFund': None, 'PCUnderflow': None, 'CreateEmpty': None, 'Other': 'Str', 'MaxNonce': None, 'InvalidCode': 'u8'}, 'Other': 'Str'}} |
| extra_data | Vec<u8> |
Bytes |
Storage functions¶
BlockHash¶
Python¶
result = substrate.query(
'Ethereum', 'BlockHash', ['scale_info::186']
)
Return value¶
'scale_info::12'
CurrentBlock¶
The current Ethereum block.
Python¶
result = substrate.query(
'Ethereum', 'CurrentBlock', []
)
Return value¶
{
'header': {
'beneficiary': '[u8; 20]',
'difficulty': 'scale_info::186',
'extra_data': 'Bytes',
'gas_limit': 'scale_info::186',
'gas_used': 'scale_info::186',
'logs_bloom': '[u8; 256]',
'mix_hash': 'scale_info::12',
'nonce': '[u8; 8]',
'number': 'scale_info::186',
'ommers_hash': 'scale_info::12',
'parent_hash': 'scale_info::12',
'receipts_root': 'scale_info::12',
'state_root': 'scale_info::12',
'timestamp': 'u64',
'transactions_root': 'scale_info::12',
},
'ommers': [
{
'beneficiary': '[u8; 20]',
'difficulty': 'scale_info::186',
'extra_data': 'Bytes',
'gas_limit': 'scale_info::186',
'gas_used': 'scale_info::186',
'logs_bloom': '[u8; 256]',
'mix_hash': 'scale_info::12',
'nonce': '[u8; 8]',
'number': 'scale_info::186',
'ommers_hash': 'scale_info::12',
'parent_hash': 'scale_info::12',
'receipts_root': 'scale_info::12',
'state_root': 'scale_info::12',
'timestamp': 'u64',
'transactions_root': 'scale_info::12',
},
],
'transactions': [
{
'EIP1559': {
'access_list': ['scale_info::389'],
'action': {'Call': '[u8; 20]', 'Create': None},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'input': 'Bytes',
'max_fee_per_gas': 'scale_info::186',
'max_priority_fee_per_gas': 'scale_info::186',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'EIP2930': {
'access_list': ['scale_info::389'],
'action': {'Call': '[u8; 20]', 'Create': None},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'Legacy': {
'action': {'Call': '[u8; 20]', 'Create': None},
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'signature': {
'r': 'scale_info::12',
's': 'scale_info::12',
'v': 'u64',
},
'value': 'scale_info::186',
},
},
],
}
CurrentReceipts¶
The current Ethereum receipts.
Python¶
result = substrate.query(
'Ethereum', 'CurrentReceipts', []
)
Return value¶
[
{
'EIP1559': {
'logs': [
{
'address': '[u8; 20]',
'data': 'Bytes',
'topics': ['scale_info::12'],
},
],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
'EIP2930': {
'logs': [
{
'address': '[u8; 20]',
'data': 'Bytes',
'topics': ['scale_info::12'],
},
],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
'Legacy': {
'logs': [
{
'address': '[u8; 20]',
'data': 'Bytes',
'topics': ['scale_info::12'],
},
],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
},
]
CurrentTransactionStatuses¶
The current transaction statuses.
Python¶
result = substrate.query(
'Ethereum', 'CurrentTransactionStatuses', []
)
Return value¶
[
{
'contract_address': (None, '[u8; 20]'),
'from': '[u8; 20]',
'logs': [
{
'address': '[u8; 20]',
'data': 'Bytes',
'topics': ['scale_info::12'],
},
],
'logs_bloom': '[u8; 256]',
'to': (None, '[u8; 20]'),
'transaction_hash': 'scale_info::12',
'transaction_index': 'u32',
},
]
Pending¶
Current building block's transactions and receipts.
Python¶
result = substrate.query(
'Ethereum', 'Pending', []
)
Return value¶
[
(
{
'EIP1559': {
'access_list': ['scale_info::389'],
'action': {'Call': '[u8; 20]', 'Create': None},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'input': 'Bytes',
'max_fee_per_gas': 'scale_info::186',
'max_priority_fee_per_gas': 'scale_info::186',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'EIP2930': {
'access_list': ['scale_info::389'],
'action': {'Call': '[u8; 20]', 'Create': None},
'chain_id': 'u64',
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'odd_y_parity': 'bool',
'r': 'scale_info::12',
's': 'scale_info::12',
'value': 'scale_info::186',
},
'Legacy': {
'action': {'Call': '[u8; 20]', 'Create': None},
'gas_limit': 'scale_info::186',
'gas_price': 'scale_info::186',
'input': 'Bytes',
'nonce': 'scale_info::186',
'signature': {
'r': 'scale_info::12',
's': 'scale_info::12',
'v': 'u64',
},
'value': 'scale_info::186',
},
},
{
'contract_address': (None, '[u8; 20]'),
'from': '[u8; 20]',
'logs': [
{
'address': '[u8; 20]',
'data': 'Bytes',
'topics': ['scale_info::12'],
},
],
'logs_bloom': '[u8; 256]',
'to': (None, '[u8; 20]'),
'transaction_hash': 'scale_info::12',
'transaction_index': 'u32',
},
{
'EIP1559': {
'logs': ['scale_info::198'],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
'EIP2930': {
'logs': ['scale_info::198'],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
'Legacy': {
'logs': ['scale_info::198'],
'logs_bloom': '[u8; 256]',
'status_code': 'u8',
'used_gas': 'scale_info::186',
},
},
),
]
Errors¶
InvalidSignature¶
Signature is invalid.
PreLogExists¶
Pre-log is present, therefore transact is not allowed.