mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 15:07:59 +00:00
Aaro Altonen
e71c484d5b
This commit introduces a new concept called `NotificationService` which allows Polkadot protocols to communicate with the underlying notification protocol implementation directly, without routing events through `NetworkWorker`. This implies that each protocol has its own service which it uses to communicate with remote peers and that each `NotificationService` is unique with respect to the underlying notification protocol, meaning `NotificationService` for the transaction protocol can only be used to send and receive transaction-related notifications. The `NotificationService` concept introduces two additional benefits: * allow protocols to start using custom handshakes * allow protocols to accept/reject inbound peers Previously the validation of inbound connections was solely the responsibility of `ProtocolController`. This caused issues with light peers and `SyncingEngine` as `ProtocolController` would accept more peers than `SyncingEngine` could accept which caused peers to have differing views of their own states. `SyncingEngine` would reject excess peers but these rejections were not properly communicated to those peers causing them to assume that they were accepted. With `NotificationService`, the local handshake is not sent to remote peer if peer is rejected which allows it to detect that it was rejected. This commit also deprecates the use of `NetworkEventStream` for all notification-related events and going forward only DHT events are provided through `NetworkEventStream`. If protocols wish to follow each other's events, they must introduce additional abtractions, as is done for GRANDPA and transactions protocols by following the syncing protocol through `SyncEventStream`. Fixes https://github.com/paritytech/polkadot-sdk/issues/512 Fixes https://github.com/paritytech/polkadot-sdk/issues/514 Fixes https://github.com/paritytech/polkadot-sdk/issues/515 Fixes https://github.com/paritytech/polkadot-sdk/issues/554 Fixes https://github.com/paritytech/polkadot-sdk/issues/556 --- These changes are transferred from https://github.com/paritytech/substrate/pull/14197 but there are no functional changes compared to that PR --------- Co-authored-by: Dmitry Markin <dmitry@markin.tech> Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>
287 lines
9.9 KiB
WebAssembly Text Format
287 lines
9.9 KiB
WebAssembly Text Format
(module
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(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
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(import "seal0" "seal_balance" (func $seal_balance (param i32 i32)))
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(import "seal2" "call" (func $seal_call (param i32 i32 i64 i64 i32 i32 i32 i32 i32 i32) (result i32)))
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(import "seal2" "instantiate" (func $seal_instantiate
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(param i32 i64 i64 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32) (result i32)
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))
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(import "env" "memory" (memory 1 1))
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(func $assert (param i32)
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(block $ok
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(br_if $ok
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(local.get 0)
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)
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(unreachable)
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)
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)
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(func (export "deploy"))
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(func (export "call")
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(local $sp i32)
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(local $exit_code i32)
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;; Length of the buffer
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(i32.store (i32.const 20) (i32.const 32))
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;; Copy input to this contracts memory
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(call $seal_input (i32.const 24) (i32.const 20))
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;; Input data is the code hash of the contract to be deployed.
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(call $assert
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(i32.eq
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(i32.load (i32.const 20))
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(i32.const 32)
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)
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)
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;; Read current balance into local variable.
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(local.set $sp (i32.const 1024))
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;; Fail to deploy the contract since it returns a non-zero exit status.
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(local.set $exit_code
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(call $seal_instantiate
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(i32.const 24) ;; Pointer to the code hash.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 9) ;; Pointer to input data buffer address
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(i32.const 7) ;; Length of input data buffer
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy address
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 0) ;; salt_ptr
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(i32.const 0) ;; salt_le
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)
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)
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;; Check non-zero exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 2)) ;; ReturnCode::CalleeReverted
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)
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;; Fail to deploy the contract due to insufficient ref_time weight.
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(local.set $exit_code
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(call $seal_instantiate
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(i32.const 24) ;; Pointer to the code hash.
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(i64.const 1) ;; Supply too little ref_time weight
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy address
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 0) ;; salt_ptr
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(i32.const 0) ;; salt_le
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)
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)
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;; Check for special trap exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 1)) ;; ReturnCode::CalleeTrapped
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)
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;; Fail to deploy the contract due to insufficient ref_time weight.
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(local.set $exit_code
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(call $seal_instantiate
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(i32.const 24) ;; Pointer to the code hash.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 1) ;; Supply too little proof_size weight
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy address
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 0) ;; salt_ptr
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(i32.const 0) ;; salt_le
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)
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)
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;; Check for special trap exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 1)) ;; ReturnCode::CalleeTrapped
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)
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;; Length of the output buffer
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(i32.store
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(i32.sub (local.get $sp) (i32.const 4))
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(i32.const 256)
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)
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;; Deploy the contract successfully.
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(local.set $exit_code
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(call $seal_instantiate
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(i32.const 24) ;; Pointer to the code hash.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.const 16) ;; Pointer to the address output buffer
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(i32.sub (local.get $sp) (i32.const 4)) ;; Pointer to the address buffer length
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this case
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(i32.const 0) ;; salt_ptr
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(i32.const 0) ;; salt_le
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)
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)
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;; Check for success exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 0)) ;; ReturnCode::Success
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)
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;; Check that address has the expected length
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(call $assert
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(i32.eq (i32.load (i32.sub (local.get $sp) (i32.const 4))) (i32.const 32))
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)
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;; Zero out destination buffer of output
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(i32.store
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(i32.sub (local.get $sp) (i32.const 4))
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(i32.const 0)
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)
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;; Length of the output buffer
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(i32.store
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(i32.sub (local.get $sp) (i32.const 8))
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(i32.const 4)
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)
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;; Call the new contract and expect it to return failing exit code.
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(local.set $exit_code
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(call $seal_call
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(i32.const 0) ;; Set no flag
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(i32.const 16) ;; Pointer to "callee" address.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 9) ;; Pointer to input data buffer address
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(i32.const 7) ;; Length of input data buffer
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(i32.sub (local.get $sp) (i32.const 4)) ;; Ptr to output buffer
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(i32.sub (local.get $sp) (i32.const 8)) ;; Ptr to output buffer len
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)
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)
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;; Check non-zero exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 2)) ;; ReturnCode::CalleeReverted
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)
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;; Check that output buffer contains the expected return data.
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(call $assert
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(i32.eq (i32.load (i32.sub (local.get $sp) (i32.const 8))) (i32.const 3))
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)
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(call $assert
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(i32.eq
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(i32.load (i32.sub (local.get $sp) (i32.const 4)))
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(i32.const 0x00776655)
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)
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)
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;; Fail to call the contract due to insufficient ref_time weight.
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(local.set $exit_code
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(call $seal_call
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(i32.const 0) ;; Set no flag
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(i32.const 16) ;; Pointer to "callee" address.
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(i64.const 1) ;; Supply too little ref_time weight
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this cas
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)
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)
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;; Check for special trap exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 1)) ;; ReturnCode::CalleeTrapped
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)
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;; Fail to call the contract due to insufficient proof_size weight.
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(local.set $exit_code
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(call $seal_call
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(i32.const 0) ;; Set no flag
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(i32.const 16) ;; Pointer to "callee" address.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 1) ;; Supply too little proof_size weight
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.const 4294967295) ;; u32 max sentinel value: do not copy output
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(i32.const 0) ;; Length is ignored in this cas
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)
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)
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;; Check for special trap exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 1)) ;; ReturnCode::CalleeTrapped
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)
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;; Zero out destination buffer of output
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(i32.store
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(i32.sub (local.get $sp) (i32.const 4))
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(i32.const 0)
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)
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;; Length of the output buffer
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(i32.store
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(i32.sub (local.get $sp) (i32.const 8))
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(i32.const 4)
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)
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;; Call the contract successfully.
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(local.set $exit_code
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(call $seal_call
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(i32.const 0) ;; Set no flag
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(i32.const 16) ;; Pointer to "callee" address.
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(i64.const 0) ;; How much ref_time weight to devote for the execution. 0 = all.
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(i64.const 0) ;; How much proof_size weight to devote for the execution. 0 = all.
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(i32.const 0xffffffff) ;; u32 max sentinel value: pass no deposit limit.
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(i32.const 0) ;; Pointer to the buffer with value to transfer
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(i32.const 8) ;; Pointer to input data buffer address
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(i32.const 8) ;; Length of input data buffer
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(i32.sub (local.get $sp) (i32.const 4)) ;; Ptr to output buffer
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(i32.sub (local.get $sp) (i32.const 8)) ;; Ptr to output buffer len
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)
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)
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;; Check for success exit status.
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(call $assert
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(i32.eq (local.get $exit_code) (i32.const 0)) ;; ReturnCode::Success
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)
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;; Check that the output buffer contains the expected return data.
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(call $assert
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(i32.eq (i32.load (i32.sub (local.get $sp) (i32.const 8))) (i32.const 4))
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)
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(call $assert
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(i32.eq
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(i32.load (i32.sub (local.get $sp) (i32.const 4)))
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(i32.const 0x77665544)
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)
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)
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)
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(data (i32.const 0) "\00\80") ;; The value to transfer on instantiation and calls.
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;; Chosen to be greater than existential deposit.
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(data (i32.const 8) "\00\01\22\33\44\55\66\77") ;; The input data to instantiations and calls.
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)
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