NgI b d dl Z d dlZd dlmZmZ d dlZd dlmZ d dlm Z G d de Z
dS ) N)IteratorList)Document)
BaseLoaderc e Zd ZdZ dd ed
ed ed ed
edededefdZdee fdZ de
e fdZ de
e fdZ de
e fdZ
de
e fdZde
e fdZde
e fdZdS ) EtherscanLoaderzLoad transactions from `Ethereum` mainnet.
The Loader use Etherscan API to interact with Ethereum mainnet.
ETHERSCAN_API_KEY environment variable must be set use this loader.
docs-demonormal_transaction
r descaccount_addressapi_keyfilterpageoffset start_block end_blocksortc n || _ t j d p|| _ || _ || _ || _ || _ || _ || _
| j st d t j
d| j st d| j |dvrt d| d S )NETHERSCAN_API_KEYz Etherscan API key not providedz^0x[a-fA-F0-9]{40}$zInvalid contract address )r
internal_transactionerc20_transaction eth_balanceerc721_transactionerc1155_transactionInvalid filter )r osenvirongetr r r r r r r
ValueErrorrematch) selfr r r r r r r r s j/var/www/html/ai-engine/env/lib/python3.11/site-packages/langchain_community/document_loaders/etherscan.py__init__zEtherscanLoader.__init__ s / z~~&9::Eg &" | ? =>> >x.0DEE Q O9M O OPP P
7v 7 788 8
returnc # K g }| j dk r| }n| j dk r| }n| j dk r| }nw| j dk r| }nW| j dk r| }n7| j dk r| }nt dt |D ]}|V dS ) z Lazy load Documents from table.r
r r r r r r N)r getNormTx
getInternalTx
getERC20Tx
getEthBalance getERC721Tx getERC1155Txr" )r% resultdocs r& lazy_loadzEtherscanLoader.lazy_load6 s ;. . .^^%%FF
[ 2
2
2''))FF
[ /
/
/__&&FF
[M
)
)''))FF
[ 0
0
0%%''FF
[ 1
1
1&&((FF 7v 7 788 8 CIIII r( c d| j d| j d| j d| j d| j d| j d| j } t j | }| n1# t j
j $ r}t d| Y d }~nd }~ww xY w|
d }g }t | d
k rt d gS |D ]M}t! | }|d
|d |d d}| t || Nt t | |S )NzBhttps://api.etherscan.io/api?module=account&action=txlist&address= &startblock=
&endblock=&page=&offset=&sort=&apikey=(Error occurred while making the request:r1 r page_contentfromhashtor? tx_hashrA r> metadatar r r r r r r requestsr! raise_for_status
exceptionsRequestExceptionprintjsonlenr strappend r% urlresponseeitemsr1 itemcontentrE s r& r+ zEtherscanLoader.getNormTxJ s
LQUQe
L
L +
L
L7;~
L
LMQY
L
L{
L
L*.)
L
L=A\
L
L
A |C((H % % ' ' ' '"3 A A A :J
7
7
7
7/3y
7
7BF+
7
7 Y
7
7 )-
7
7 A |C((H % % ' ' ' '"3 A A A , BtH~ B B B BtH~ .DN .T(^ .d8n r( r ) r r# typingr r rG langchain_core.documentsr )langchain_community.document_loaders.baser r rc r( r& rg s ! ! ! ! ! ! ! ! - - - - - - @ @ @ @ @ @| | | | |j | | | | |r(