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#3 in #large-scale
119 downloads per month
Used in 116 crates
(5 directly)
24KB
452 lines
This crate contains an extension to the Move language with large-scale storage tables.
In order to use this extension with the Move CLI and package system, you need to compile with
feature = ["table-extension"]
.
In order to use this extension in your adapter, you do something as follows:
use move_core_types::account_address::AccountAddress;
use move_stdlib::natives;
use move_table_extension::NativeTableContext;
use move_vm_runtime::move_vm::MoveVM;
use move_vm_runtime::native_functions::NativeContextExtensions;
fn run() {
let resource_resolver = unimplemented!(); // a resource resolver the adapter provides
let txn_hash = unimplemented!(); // a unique hash for table creation for this transaction
let table_resolver = unimplemented!(); // a remote table resolver the adapter provides
let std_addr = unimplemented!(); // address where to deploy the std lib
let extension_addr = unimplemented!(); // address where to deploy the table extension
let mut extensions = NativeContextExtensions::default();
extensions.add(NativeTableContext::new(txn_hash, table_resolver));
let mut natives = move_stdlib::natives::all_natives(std_addr);
natives.append(&mut move_table_extension::table_natives(extension_addr));
let vm = MoveVM::new(natives);
let session = vm.new_session_with_extensions(resource_resolver, extensions);
let result = session.execute_function(..)?;
let (change_set, events, extensions) = session.finish_with_extensions()?;
let table_change_set = extensions.get::<NativeTableContext>().into_change_set();
// Do something with the table change set
// ...
}
Dependencies
~8.5MB
~136K SLoC