19 lines
517 B
Rust
19 lines
517 B
Rust
use std::convert::TryFrom;
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use std::i64;
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use std::num::ParseIntError;
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use std::u64;
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use chrono::{DateTime, NaiveDateTime, Utc};
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use ethereum_types::U256;
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pub fn hex_string_to_u64(hex: &str) -> Result<u64, ParseIntError> {
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let hex = hex.trim_left_matches("0x");
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u64::from_str_radix(hex, 16)
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}
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pub fn u256_to_datetime(uint: U256) -> DateTime<Utc> {
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let n_secs = i64::try_from(uint.as_u64()).unwrap();
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let timestamp = NaiveDateTime::from_timestamp(n_secs, 0);
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DateTime::from_utc(timestamp, Utc)
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}
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