...into a single `int256` where the upper 128 bits represent the amount0
/// and the lower 128 bits represent the amount1.
type BalanceDelta is int256;
```
其中，高 128 位表示 `token0` 的余额变化值 `amount0`，低 128 位表示 `token1` 的余额变化值 `amount1`。
### 运算...
...ttps://www.alchemyapi.io, sign up, create
// a new App in its dashboard and select the network as Mumbai, and replace "add-the-alchemy-key-url-here" with its key url
ALCHEMY_API_KEY_URL="add-the-alchemy-key-url-here"
// Replace this private key with your Mumbai account private key
// T...
...作
### 2016年11月30日的提交
- #### [Promote BIP 2 Draft->Active, and implement it](https://github.com/ajtowns/bips/commit/959fecc15bdad070afa63455468b1dba54655fa6 "Promote BIP 2 Draft->Active, and implement it - Update all Accepted status to Proposed (renamed status) - The BIP Comments pre...
..."...", subdir = "...", rev = "..." }`.
# Revision can be a branch, a tag, and a commit hash.
# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
# For local dependencies use `local = path`. Path is relative to the package root
# Local = { local = ...
...umber of decimal places the coin uses.
/// A coin with `value ` N and `decimals` D should be shown as N / 10^D
/// E.g., a coin with `value` 7002 and decimals 3 should be displayed as 7.002
/// This is metadata for display usage only.
decimals: u8,
/// Na...