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dido:public:s_cli:05_contents:03_prt:08_basic_dido_objects:05_log:start
Table of Contents
A.1.5 Log Class
Reads from the Ethereum blockchain. Logs are created for contract based transactions and creates events in the table “Events”.1)
Figure 1: The Ethereum Log Class
Id
| Description | Identifier Hash |
|---|---|
| Datatype | Text ( Composite) |
| Example | 0x00000000cc7c3b7faeca2e5059320a584cedbafe55c82ced3e57948ae21e3609 |
Block Number
| Description | Block number where this log was in. null when its pending. Block height shows lenght of blockchain |
|---|---|
| Datatype | Numeric |
| Example | 9529604 |
Block Hash
| Description | Hash of the block where this lg was in. null when its pending. |
|---|---|
| Datatype | text |
| Example | 0x7eaea3baacd3b5ffb9833abf9c77a851db0feb874a93d97cfca89c9e891adaa2 |
Transaction Index
| Description | Integer of the transaction index position log was created from |
|---|---|
| Datatype | numeric |
| Example | 33 |
Transaction Hash
| Description | Hash of the transactions this log was created from |
|---|---|
| Datatype | text |
| Example | 0xeaf089acba8a7ca74feee1b35ca0ab62aa42c5ba3c746a4aed94a308d6a674fb |
Log Index
| Description | Integer of the log index position in the block |
|---|---|
| Datatype | numeric |
| Example | 82 |
Address
| Description | Address from which this log originated |
|---|---|
| Datatype | text |
| Example | 0x4D58b1E8007078eCc6eaf6DF7527b64E46831D23 |
Data
| Description | payload |
|---|---|
| Datatype | text |
| Example | 0x000000000000000000000000000000000000000000000000000000000000011b |
Type
| Description | |
|---|---|
| Datatype | text |
| Example | mined |
Timestamp
| Description | Timestamp of log entry |
|---|---|
| Datatype | timestamp with time zone |
| Example | 2020-02-21 23:34:19+00 |
Log Id
| Description | Log ID |
|---|---|
| Datatype | text |
| Example | log_8e2768f6 |
Topics
| Description | a type of indexing of max 3 parameters for easier access |
|---|---|
| Datatype | text[] |
| Example | {0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef, 0x0000000000000000000000006cdfb19632e4d0805064b741d39c6ff0a9141952, 0x00000000000000000000000035cdcbdb6a5aef115b9306ce9c79a69321300203 } |
dido/public/s_cli/05_contents/03_prt/08_basic_dido_objects/05_log/start.txt · Last modified: 2021/08/05 14:26 by murphy
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