Grading is an opinion and not exact science. Harrison Political Token Eagle Reverse!! Harrison Presidential Token, HT!! Up for your consideration is an MAJ.
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This early Presidential political token is marked - Maj. Harrison, Born Feb 9 and has a bust of him in military uniform. The back side has a log cabin and reads - The Peoples Choice, Th This is an amazing item that is a must have for your collection. The Scovill Company was established in as a button manufacturer and is still in business today. Scovill was an early industrial American innovator, adapting armory manufacturing processes to mass-produce a variety of consumer goods including buttons, daguerreotype mats, and campaign medals.
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Bust of Benjamin Harrison facing left. I have the exact same coin except the year is not on top but from left to right of the coin head, not on top as shown in picture 1.
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I have a coin exactly like the one described above with everything on it as described. I have had it for years and kept it for a collection piece. It is a commemorative piece and a part of history. Robert Gillespie Wed, Jose Cerda Fri, Before interacting with the contract, you'll need to add new members so they can vote. On the "Select function" picker, choose "Add Member". Add the address of the person you want to make a member to remove a member, pick the function "Remove Member". On "execute from" make sure that you have the same account that is set as the owner as this is an action only the main administrator can execute.
Press execute and wait a few seconds for the next block to go through with your change. There's no list of members, but you can check if anyone is a member by putting their address on the Members function on the Read from contract column. Also, if you want the contract to have any money of its own, you need to deposit some ether or other token into it, otherwise you'll have a pretty toothless organization. Now let's add the first proposal to the contract.
On the function picker, select New Proposal. For "beneficiary" add the address of someone you want to send ether to, and put how much you want to send in the box marked "Wei Amount. For example, if you want to send 1 ether, enter that's 18 zeroes. Finally, add some text describing the reason you want to do this. Leave "Transaction bytecode" blank for now.
Click execute and type your password. After a few seconds the numProposals will increase to 1 and the first proposal, number 0, will appear on the left column. As you add more proposals, you can see any of them by simply putting the proposal number on the "proposals" field and you can read all about it.
Voting on a proposal is also very simple. Choose "Vote" on the function picker. Type the proposal Number in the first box and check the "Yes" box if you agree with it or leave it blank to vote against it. Click " execute " to send your vote. If the proposal was simply sending ether, then you can also leave the " transactionBytecode " field blank.
After pressing "execute" but before typing your password, pay attention to the screen that appears. If there is a warning on the "estimated fee consumption" field, then this means that for some reason the function called will not execute and will be abruptly terminated. It can mean many things, but in the context of this contract this warning will show up whenever you try to execute a contract before its deadline has passed, or if the user is trying to send a different bytecode data than the original proposal had.
For security reasons if any of these things happens, the contract execution is abruptly terminated and the user that attempted the illegal transaction will lose all the ethers he sent to pay transaction fees. If the transaction was executed, then after a few seconds you should be able to see the result: You can use this democracy to execute any transaction on ethereum, as long as you can figure out the bytecode that that transaction generates.
Luckily for us, you can use the wallet to do precisely that! In this example, we'll use a token to show that this contract can hold more than ether and can do transactions in any other ethereum-based asset. First, create a token that belongs to one of your normal accounts.
After that, we are going to simulate the action you want to execute. So if you want to propose that the DAO send mg of a gold token to a person as a payment, then follow the steps that you'd do to execute that transaction from an account you own and press "send" but when the confirmation screens pops up, don't type your password.
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You'll also need the address of the contract you'll be calling for that operation, in this case the token contract. You can find it on the Contracts tab: In a few seconds you should be able to see the details on the proposal. You'll notice that the transaction bytecode won't be shown there and instead there's only a "transaction hash".
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Unlike the other fields, Bytecode can be extremely lengthy and therefore expensive to store on the blockchain, so instead of archiving it, the person executing the call later will provide the bytecode. But that, of course, creates a security hole: And what prevents a user from executing a different code after the proposal has been voted on? That's where transaction hash comes in. Scroll a bit on the "read from contract" function list and you'll see a proposal checker function, where anyone can put all the function parameters and check if they match the one being voted on.
This also guarantees that proposals don't get executed unless the hash of the bytecode matches exactly the one on the provided code. Anyone can actually check the proposal very easily by following the same steps to get the correct bytecode and then adding the proposal number and other parameters to the function called Check proposal code on the bottom of Read from contract. The rest of the voting process remains the same: The only difference is that this time you'll have to provide the same bytecode you've submitted before.
Pay attention to any warnings on the confirmation window: In the previous section we created a contract that works like an invitation-only club, where members are invited or banned by the whim of the president. But this has a few drawbacks: What if some members have more weight than others?
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What if you actually want to trade or sell memberships or shares on an open market? What if you wanted your organization to have work as a constant decision machine by shareholders? We are going to modify a bit our contract to connect it to a specific token, which will work as the holding shares of the contract. First we need to create this token: If you want to be able to trade in fractions of a percent, then increase the supply by x or x and then add the corresponding amount of zeros as the decimals.
Deploy this contract and save its address on a text file. The code is deployed almost exactly like the previous code, but you need to also put a shares token address which is the address of the token that will work as a share with voting rights. Notice these lines of codes: Since it only uses the balanceOf function, we only need to add that single line. Then we define a variable of the type token, meaning that it will inherit all the functions we described earlier.
Finally we point the token variable to an address on the blockchain, so it can use that and request live information. This is the simplest way to make one contract understand the other in ethereum. This association presents a challenge that the previous congress didn't have: So in this contract only the vote position is recorded and then the real score is tallied up on the execute proposal phase.
Using this DAO is exactly like before: On this contract the address set as owner has some special powers: But this can be solved by using yet another power the owner has: The owner could change the ownership to no one by pointing the new owner as 0x This would guarantee that the rules will never change, but it's an irreversible action.
The owner can also change the ownership to the contract itself: This would make that all the powers of the owner could be executed by creating proposals. If you want, you can also set one contract as the owner of the other: You could create an Association contract, that used a mintable token owned by a congress finally owned by a single account.