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update game contract
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‎content/hacking/captain-game.md‎

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<div class="heading">Table of Contents</div>
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- [My hacklog](#my-hacklog)
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- [2021-02-14](#2021-02-14)
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- [2021-02-13](#2021-02-13)
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- [2021-02-06](#2021-02-06)
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- [2021-02-04](#2021-02-04)
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## My hacklog {#my-hacklog}
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### 2021-02-14 {#2021-02-14}
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Some differences between ink's doc and my terminal:
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[ink's doc](https://paritytech.github.io/ink-docs/cargo-contract-cli):
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```shell
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cargo-contract 0.8.0
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Utilities to develop Wasm smart contracts.
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USAGE:
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cargo contract <SUBCOMMAND>
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OPTIONS:
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-h, --help Prints help information
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-V, --version Prints version information
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SUBCOMMANDS:
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new Setup and create a new smart contract project
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build Compiles the contract, generates metadata, bundles both together in a '.contract' file
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check Check that the code builds as Wasm; does not output any build artifact to the top level `target/` directory
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test Test the smart contract off-chain
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deploy Upload the smart contract code to the chain
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instantiate Instantiate a deployed smart contract
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help Prints this message or the help of the given subcommand(s)
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```
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My terminal:
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```shell
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$ cargo contract --version
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cargo-contract 0.8.0
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$ cargo contract --help
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cargo-contract 0.8.0
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Utilities to develop Wasm smart contracts
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USAGE:
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cargo contract <SUBCOMMAND>
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OPTIONS:
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-h, --help Prints help information
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-V, --version Prints version information
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SUBCOMMANDS:
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new Setup and create a new smart contract project
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build Compiles the contract, generates metadata, bundles both together in a `<name>.contract`
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file
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generate-metadata Command has been deprecated, use `cargo contract build` instead
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check Check that the code builds as Wasm; does not output any build artifact to the top level
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`target/` directory
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test Test the smart contract off-chain
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help Prints this message or the help of the given subcommand(s)
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$ cargo contract deploy
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error: Found argument 'deploy' which wasn't expected, or isn't valid in this context
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USAGE:
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cargo contract <SUBCOMMAND>
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For more information try --help
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```
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While there isn't a `upgrade` or `update` command, I installed it again:
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```shell
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$ cargo install cargo-contract --vers 0.8.0 --force --locked
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```
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But, `cargo contract --help` doesn't show me any differences.
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Gladly, I find something from GitHub:
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[cargo-contract](https://github.com/paritytech/cargo-contract)
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**[Features](https://github.com/paritytech/cargo-contract#features)**
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> The \`deploy\` and \`instantiate\` subcommands are ****disabled by default****, since they are not fully stable yet and increase the build time.
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>
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> If you want to try them, you need to enable the \`extrinsics\` feature:
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>
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> \`cargo install --git <https://github.com/paritytech/cargo-contract> cargo-contract --features extrinsics --force\`
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>
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> Once they are stable and the compilation time is acceptable, we will consider removing the \`extrinsics\` feature.
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I am trying but it doesn't work: it's broken, and Brian has submitted a PR to fix it.
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```shell
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$ cargo install --git https://github.com/paritytech/cargo-contract cargo-contract --features extrinsics --force
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...
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error: aborting due to 60 previous errors
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Some errors have detailed explanations: E0034, E0308.
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For more information about an error, try `rustc --explain E0034`.
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error: could not compile `bitvec`
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To learn more, run the command again with --verbose.
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warning: build failed, waiting for other jobs to finish...
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error: failed to compile `cargo-contract v0.8.0 (https://github.com/paritytech/cargo-contract#79dbcb65)`, intermediate artifacts can be found at `/var/folders/g5/hf7q78jn0vngnqtqj_3qfm6r0000gn/T/cargo-installBtwvjf`
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Caused by:
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build failed
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```
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Changes in the smart contract:
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I add more verification in the run-highest-level logic that
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prints congratulations and
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**do not** level\_up once the player's run\_level\_2 is succeeded.
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### 2021-02-13 {#2021-02-13}
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Test with submit\_level and run\_level + level\_up after run\_level succeed:
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Now a player can submit (and run) programs up to 3 levels.
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I also add more `Debugging` log.
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I also add more `Debugging` log, and clean up the code.
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### 2021-02-06 {#2021-02-06}

‎content/hacking/cs.md‎

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Then I move to another lecture:
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[MIT 6.006 Introduction to Algorithms, Fall 2011](https://www.youtube.com/watch?v=HtSuA80QTyo&list=PLUl4u3cNGP61Oq3tWYp6V%5FF-5jb5L2iHb&index=1)
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More lectures on MIT website:
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<https://ocw.mit.edu/courses/find-by-topic/>
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## About types {#about-types}
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‎notes.org‎

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*** My hacklog
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**** 2021-02-14
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Some differences between ink's doc and my terminal:
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[[https://paritytech.github.io/ink-docs/cargo-contract-cli][ink's doc]]:
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#+begin_src shell
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cargo-contract 0.8.0
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Utilities to develop Wasm smart contracts.
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USAGE:
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cargo contract <SUBCOMMAND>
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OPTIONS:
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-h, --help Prints help information
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-V, --version Prints version information
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SUBCOMMANDS:
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new Setup and create a new smart contract project
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build Compiles the contract, generates metadata, bundles both together in a '.contract' file
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check Check that the code builds as Wasm; does not output any build artifact to the top level `target/` directory
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test Test the smart contract off-chain
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deploy Upload the smart contract code to the chain
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instantiate Instantiate a deployed smart contract
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help Prints this message or the help of the given subcommand(s)
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#+end_src
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My terminal:
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#+begin_src shell
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$ cargo contract --version
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cargo-contract 0.8.0
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$ cargo contract --help
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cargo-contract 0.8.0
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Utilities to develop Wasm smart contracts
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USAGE:
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cargo contract <SUBCOMMAND>
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OPTIONS:
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-h, --help Prints help information
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-V, --version Prints version information
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SUBCOMMANDS:
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new Setup and create a new smart contract project
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build Compiles the contract, generates metadata, bundles both together in a `<name>.contract`
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file
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generate-metadata Command has been deprecated, use `cargo contract build` instead
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check Check that the code builds as Wasm; does not output any build artifact to the top level
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`target/` directory
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test Test the smart contract off-chain
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help Prints this message or the help of the given subcommand(s)
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$ cargo contract deploy
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error: Found argument 'deploy' which wasn't expected, or isn't valid in this context
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USAGE:
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cargo contract <SUBCOMMAND>
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For more information try --help
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#+end_src
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While there isn't a ~upgrade~ or ~update~ command, I installed it again:
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#+begin_src shell
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$ cargo install cargo-contract --vers 0.8.0 --force --locked
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#+end_src
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But, ~cargo contract --help~ doesn't show me any differences.
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Gladly, I find something from GitHub:
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[[https://github.com/paritytech/cargo-contract][cargo-contract]]
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*[[https://github.com/paritytech/cargo-contract#features][Features]]*
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> The `deploy` and `instantiate` subcommands are **disabled by default**, since they are not fully stable yet and increase the build time.
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>
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> If you want to try them, you need to enable the `extrinsics` feature:
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>
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> `cargo install --git https://github.com/paritytech/cargo-contract cargo-contract --features extrinsics --force`
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>
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> Once they are stable and the compilation time is acceptable, we will consider removing the `extrinsics` feature.
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I am trying but it doesn't work: it's broken, and Brian has submitted a PR to fix it.
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#+begin_src shell
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$ cargo install --git https://github.com/paritytech/cargo-contract cargo-contract --features extrinsics --force
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...
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error: aborting due to 60 previous errors
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Some errors have detailed explanations: E0034, E0308.
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For more information about an error, try `rustc --explain E0034`.
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error: could not compile `bitvec`
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To learn more, run the command again with --verbose.
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warning: build failed, waiting for other jobs to finish...
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error: failed to compile `cargo-contract v0.8.0 (https://github.com/paritytech/cargo-contract#79dbcb65)`, intermediate artifacts can be found at `/var/folders/g5/hf7q78jn0vngnqtqj_3qfm6r0000gn/T/cargo-installBtwvjf`
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Caused by:
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build failed
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#+end_src
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Changes in the smart contract:
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I add more verification in the run-highest-level logic that
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prints congratulations and
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*do not* level_up once the player's run_level_2 is succeeded.
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**** 2021-02-13
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Test with submit_level and run_level + level_up after run_level succeed:
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Now a player can submit (and run) programs up to 3 levels.
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I also add more ~Debugging~ log.
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I also add more ~Debugging~ log, and clean up the code.
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**** 2021-02-06
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Then I move to another lecture:
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[[https://www.youtube.com/watch?v=HtSuA80QTyo&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb&index=1][MIT 6.006 Introduction to Algorithms, Fall 2011]]
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More lectures on MIT website:
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https://ocw.mit.edu/courses/find-by-topic/
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*** About types

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